Lua APA (7ú heag.)
Kaul, A. (2015). Effective business communication (2nd ed.). Phi Learning Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)
Kaul, Asha. Effective Business Communication. 2nd ed. New Delhi: Phi Learning Pvt. Ltd, 2015.
Lua MLA (9ú heag.)
Kaul, Asha. Effective Business Communication. 2nd ed. Phi Learning Pvt. Ltd, 2015.
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