Gupta, S. (2011). Elements of business communication. Anmol Publication.
Čikaški stil citiranja (17. izdanje)Gupta, Sudhir. Elements of Business Communication. New Delhi: Anmol Publication, 2011.
MLA način citiranja (9. izdanje)Gupta, Sudhir. Elements of Business Communication. Anmol Publication, 2011.
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