International Chamber of Commerce. (1991). Guide to Effective Environmental Auditing: научное издание.
Citazione stile Chigago Style (17a edizione)International Chamber of Commerce. Guide to Effective Environmental Auditing: научное издание. 1991.
Citatione MLA (9a ed.)International Chamber of Commerce. Guide to Effective Environmental Auditing: научное издание. 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.