Dyfyniad APA

Murphy, K. R., & Davidshofer, C. O. (1998). Psychological testing: Principles and applications (4th ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Murphy, Kevin R., and Charles O. Davidshofer. Psychological Testing: Principles and Applications. 4th ed. Upper Saddle River, N. J: Prentice-Hall, 1998.

Dyfyniad MLA

Murphy, Kevin R., and Charles O. Davidshofer. Psychological Testing: Principles and Applications. 4th ed. Prentice-Hall, 1998.

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