Dyfyniad APA
Bourne, L. E., & Ekstrand, B. R. (1976). Psychology: Its principles and meanings (2nd ed.). Holt, Rinehart and Winston.
Dyfyniad Arddull Chicago
Bourne, Lyle Eugene, and Bruce R. Ekstrand. Psychology: Its Principles and Meanings. 2nd ed. New York: Holt, Rinehart and Winston, 1976.
Dyfyniad MLA
Bourne, Lyle Eugene, and Bruce R. Ekstrand. Psychology: Its Principles and Meanings. 2nd ed. Holt, Rinehart and Winston, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.