Dyfyniad APA

Engler, B. (1985). Personality Theories: An introduction (2nd ed.). Houghton Mifflin Company.

Dyfyniad Arddull Chicago

Engler, Barbara. Personality Theories: An Introduction. 2nd ed. Boston: Houghton Mifflin Company, 1985.

Dyfyniad MLA

Engler, Barbara. Personality Theories: An Introduction. 2nd ed. Houghton Mifflin Company, 1985.

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