Dyfyniad APA

Boone, L. E., Kurtz, D. L., & Block, J. R. (1997). Contemporary business communication. Prentice hall.

Dyfyniad Arddull Chicago

Boone, Louis E., David L. Kurtz, and Judy R. Block. Contemporary Business Communication. New Jersy: Prentice hall, 1997.

Dyfyniad MLA

Boone, Louis E., et al. Contemporary Business Communication. Prentice hall, 1997.

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