Paul Justin. (2013). Business Environment: Text and Cases (3rd.). Tata McGraw Hill.
Čikaški stil citiranja (17. izdanje)Paul Justin. Business Environment: Text and Cases. 3rd. New Delhi: Tata McGraw Hill, 2013.
MLA način citiranja (9. izdanje)Paul Justin. Business Environment: Text and Cases. 3rd. Tata McGraw Hill, 2013.
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