Lesikar, R. V. F. (2015). Business Communication. Rupa.
Lua i Stíl Chicago (17ú heag.)Lesikar, Raymond V; Flatley. Business Communication. New Delhi: Rupa, 2015.
Lua MLA (9ú heag.)Lesikar, Raymond V; Flatley. Business Communication. Rupa, 2015.
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