Dyfyniad APA

Liebert, R. M. (1993). Personality: Strategies and issues (7th.ed.). Brooks / Cole.

Dyfyniad Arddull Chicago

Liebert, Robert M. Personality: Strategies and Issues. 7th.ed. California: Brooks / Cole, 1993.

Dyfyniad MLA

Liebert, Robert M. Personality: Strategies and Issues. 7th.ed. Brooks / Cole, 1993.

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