Lesikar, R. V. (2009). Business communication: Making connection in a digital World (11th.). Tata McGraw Hill Publ.
Lua i Stíl Chicago (17ú heag.)Lesikar, Raymond V. Business Communication: Making Connection in a Digital World. 11th. New delhi: Tata McGraw Hill Publ, 2009.
Lua MLA (9ú heag.)Lesikar, Raymond V. Business Communication: Making Connection in a Digital World. 11th. Tata McGraw Hill Publ, 2009.
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