Dyfyniad APA

International Chamber of Commerce. (1991). Guide to Effective Environmental Auditing: научное издание.

Dyfyniad Arddull Chicago

International Chamber of Commerce. Guide to Effective Environmental Auditing: научное издание. 1991.

Dyfyniad MLA

International Chamber of Commerce. Guide to Effective Environmental Auditing: научное издание. 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.