Lesikar, R. V. (1999). Business communication: Theory and application (6th ed.). R.D. Irwin, A.T.B.S. publisher.
Citace podle Chicago (17th ed.)Lesikar, Raymond Vincent. Business Communication: Theory and Application. 6th ed. Homewood, Ill., Delhi: R.D. Irwin, A.T.B.S. publisher, 1999.
Citace podle MLA (8th ed.)Lesikar, Raymond Vincent. Business Communication: Theory and Application. 6th ed. R.D. Irwin, A.T.B.S. publisher, 1999.
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