Dyfyniad APA

Hull, E. M., Eaton, R., Kalat, J. W., & Reardin, V. (1988). Biological psychology (3rd ed.). Wadsworth.

Dyfyniad Arddull Chicago

Hull, Elaine M., Robert Eaton, James W. Kalat, and Vicki Reardin. Biological Psychology. 3rd ed. Belmont: Wadsworth, 1988.

Dyfyniad MLA

Hull, Elaine M., et al. Biological Psychology. 3rd ed. Wadsworth, 1988.

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