Dyfyniad APA

Power, M. J., & Champion, L. A. (2000). Adult psychological problems: An introduction (2nd ed.). Psychology Press.

Dyfyniad Arddull Chicago

Power, Michael J., and Lorna A. Champion. Adult Psychological Problems: An Introduction. 2nd ed. Hove, East Sussex: Psychology Press, 2000.

Dyfyniad MLA

Power, Michael J., and Lorna A. Champion. Adult Psychological Problems: An Introduction. 2nd ed. Psychology Press, 2000.

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