International Standards ISO 9000-9004. International Standardisation Organisation Central Secretariat.
2.
Commission of the European Communities (1991 ) Draft proposal for a council regulation establishing a community scheme for the evaluation and improvement of environmental performance in certain activities and the provision of relevant information to the public (ECO-Audit). Brussels, Belgium: EC Commission.
3.
International Chamber of Commerce (ICC) (1988 ) Environmental auditing. Paris, France: ICC.
