International Chamber of Commerce. (1991). Guide to Effective Environmental Auditing: научное издание.
Čikaški stil citiranja (17. izdanje)International Chamber of Commerce. Guide to Effective Environmental Auditing: научное издание. 1991.
MLA način citiranja (9. izdanje)International Chamber of Commerce. Guide to Effective Environmental Auditing: научное издание. 1991.
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