APA način citiranja (7. izdanje)
Needle, D. Business in context: An introduction to business and its environment. Cengage.
Čikaški stil citiranja (17. izdanje)
Needle, David. Business in Context: An Introduction to Business and Its Environment. Cengage.
MLA način citiranja (9. izdanje)
Needle, David. Business in Context: An Introduction to Business and Its Environment. Cengage.
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