Lua APA (7ú heag.)

Gupta, S. (2011). Elements of business communication. Anmol Publication.

Lua i Stíl Chicago (17ú heag.)

Gupta, Sudhir. Elements of Business Communication. New Delhi: Anmol Publication, 2011.

Lua MLA (9ú heag.)

Gupta, Sudhir. Elements of Business Communication. Anmol Publication, 2011.

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