BellamioD. (2006). Personal interview and conversation surrounding his impetus for having Knowles' book. The adult learner: A neglected species (4th ed.). Translated into Italian. Near Milano, Italy, September 21, 2006.
2.
BoucouvalasM. (2008). Highlighting the group/community/societal emphasis in Knowles' treatment of andragogy. A Power Point Presentation at the Commission of Professors of Adult Education Conference, Denver, CO, November, 2008.
3.
Bright L. K.,Mahdi G. S..Out of crisis: Reflections of an Iraqi and an American on advocacy for andragogy.Adult Learning. 2010;21 (1–2): 37-40
4.
Grace A. P.Making space: Merging theory and practice in adult education. Sheared V.Sissel P.A., ed. Westport, CN: Bergin & Garvey; 2001:257-270.
5.
Hadley H. N.Development of an instrument to determine adult educator's orientation as andragogical and pedagogical (Unpublished doctoral dissertation). Boston, MA: Boston University School of Education; 1975:
6.
HenschkeJ. A. (2009). A perspective on the history and philosophy of andragogy: An international sketch. In BoucouvalasM., (Ed.). Proceedings of the Commission on International Adult Education Pre-Conference of the American Association for Adult and Continuing Education Conference (pp. 54–129), Cleveland, OH.
7.
Henschke J. A.Identifying appropriate adult educator practices: Beliefs, feelings and behaviors. Jeffries C., ed. St. Louis, MO: University of Missouri; 1989:89-95.
8.
HenschkeJ. A.CooperM. K. (2007). Additions toward a thorough understanding of the international foundations of andragogy in HRD and adult education. An. Inst.de Ins. “G. Barit” din Cluj-Napoca, Series Humanistica, (pp. 7–54). (This is the yearbook of the Romanian Adult Education Institute).
9.
Houle C. O.The design of education. 2nd ed.San Francisco: Jossey-Bass; 1996:
10.
Isenberg S. K.Applying andragogical principles to internet learning.. Youngstown, NY: Cambria Press; 2007:
11.
Jarvis P..Andragogy: A sign of the times.Studies in the Education of Adults. 1984;16:32-38
12.
Knowles M. S.The modern practice of adult education: Andragogy vs. pedagogy.. Chicago: Association Press/Follett; 1970:
13.
Lindeman E. C..Andragogik: The method of teaching adults.Workers' Education. 1926;4:38
14.
Maehl W.Lifelong learning at its best: Innovative practices in adult credit programs.. San Francisco: Jossey-Bass Inc. Publishers; 2000:
15.
Merriam S. B.The new update on adult learning theory. Merriam S. B., ed. San Francisco: Jossey-Bass; 2001:3-13.
16.
Poggeler F.Developments in the education of adults in Europe. Jarvis P.Poggeler F., ed. Frankfurt, Germany: Peter Lang; 1994:9-15.
17.
Rachal J..Andragogy's detectives: A critique of the present and a proposal for the future.Adult Education Quarterly. 2002;22 (3): 210-227
18.
Reischmann J.International encyclopedia of adult education. English L. M., ed. Houndsville, NY: Palgrave Macmillan; 2005:58-63.
19.
Rosenstock-HuessyE. (1925). Andragogy - 1925, Retrieved October 26, 2005, from http://www.argobooks.org/feringer-notes/t24.html.
20.
Sandlin J. A..Andragogy and its discontents: An analysis of andragogy from three critical perspectives.PAACE Journal of Lifelong Learning. 2005;14:25-42
21.
Savicevic D..Modern conceptions of andragogy: A European framework.Studies in the Education of Adults. 1991;23 (3): 179-201
22.
Savicevic D.Adult education: From practice to theory building.. Frankfurt, Germany: Peter Lang; 1999:
23.
Savicevic D..Convergence or divergence of ideas on andragogy in different countries.International Journal of Lifelong Education. 2008;27 (4): 360-378
24.
Sopher M. J.An historical biography of Malcolm S. Knowles: The remaking of an adult educator (Unpublished doctoral dissertation). University of Wisconsin-Madison, Department of Continuing, Adult and Vocational Education; 2003:
25.
Stanton C.A construct validity assessment of the instructional perspectives inventory. St. Louis, St. Louis, Missouri: University of Missouri; 2005:
26.
Vodde R. F.The efficacy of an andragogical instructional methodology in basic police training and education.. UK: University of Leicester; 2008:
27.
Welton M. R.In defense of lifeworld.. Albany, NY: SUNY Press; 1995: