Dyfyniad APA

Lesikar, R. V., Pettit, J. D., & Flatley, M. E. (1999). Lesikar's basic business communication (8th ed., International ed.). Irwin/McGraw-Hill.

Dyfyniad Arddull Chicago

Lesikar, Raymond Vincent, John D. Pettit, and Marie Elizabeth Flatley. Lesikar's Basic Business Communication. 8th ed., International ed. Boston: Irwin/McGraw-Hill, 1999.

Dyfyniad MLA

Lesikar, Raymond Vincent, et al. Lesikar's Basic Business Communication. 8th ed., International ed. Irwin/McGraw-Hill, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.