Dyfyniad APA

Robbins, S. P., & DeCenzo, D. A. (1998). Supervision today! (2nd ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Robbins, Stephen P., and David A. DeCenzo. Supervision Today! 2nd ed. Upper Saddle River, N.J: Prentice Hall, 1998.

Dyfyniad MLA

Robbins, Stephen P., and David A. DeCenzo. Supervision Today! 2nd ed. Prentice Hall, 1998.

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