Lesikar, R. V., Pettit, J. D., & Flatley, M. E. (1996). Lesikar's basic business communication (7th ed.). Irwin.
Chicago-čujuhus (17. p.)Lesikar, Raymond Vincent, John D. Pettit, juo Marie Elizabeth Flatley. Lesikar's Basic Business Communication. 7th ed. Chicago: Irwin, 1996.
MLA-čujuhus (9. p.)Lesikar, Raymond Vincent, et al. Lesikar's Basic Business Communication. 7th ed. Irwin, 1996.
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