Dyfyniad APA
Boone, L. E., Kurtz, D. L., & Block, J. R. (1997). Contemporary business communication (2nd ed.). Prentice Hall.
Dyfyniad Arddull Chicago
Boone, Louis E., David L. Kurtz, and Judy Rachel Block. Contemporary Business Communication. 2nd ed. Upper Saddle River, N.J.: Prentice Hall, 1997.
Dyfyniad MLA
Boone, Louis E., et al. Contemporary Business Communication. 2nd ed. Prentice Hall, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.