Lesikar, R. V., Flatley, M. E., & Pettit, J. D. (1993). Basic business communication (6th ed.). Irwin.
Cita Chicago (17th ed.)Lesikar, Raymond V., Marie E. Flatley, i John D. Pettit. Basic Business Communication. 6th ed. Boston: Irwin, 1993.
Cita MLA (9th ed.)Lesikar, Raymond V., et al. Basic Business Communication. 6th ed. Irwin, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.