Lesikar, R. V., & Jr Pettit, J. D. (1996). Business communication: Theory and application (6th ed.). Richard D. Irwin.
Chicago-čujuhus (17. p.)Lesikar, Raymond V., juo John D. Jr Pettit. Business Communication: Theory and Application. 6th ed. Delhi: Richard D. Irwin, 1996.
MLA-čujuhus (9. p.)Lesikar, Raymond V., juo John D. Jr Pettit. Business Communication: Theory and Application. 6th ed. Richard D. Irwin, 1996.
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