1. Alcoa Mt Holly (1999) EMS Manual, revision 3. Alcoa Mt Holly, Goose Creek, SC.
2. Alumax of South Carolina (1996) Environmental Quality Management Manual. Alumax, Goose Creek, SC.
3. Carraro, C. and Leveque, F. (1999) Voluntary Approaches in Environmental Policy. Kluwer Academic Publishers, Dordrecht, Netherlands.
4. International environmental management standards;Cascio;ASTM Standardization News,1994
5. U.S. companies gear up for ISO 14001 certification;Donaldson;InTech,1996