APA način citiranja

(2000).  Environmental Management system (EMS) EMS Audit and ISO 14000 Certification: Green Productivity Program.  Carl Duisberg gesellschaft.

Čikaški stil citiranja

 Environmental Management System (EMS) EMS Audit and ISO 14000 Certification: Green Productivity Program.  Carl Duisberg gesellschaft, 2000.

MLA način citiranja

 Environmental Management System (EMS) EMS Audit and ISO 14000 Certification: Green Productivity Program.  Carl Duisberg gesellschaft, 2000.

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