Dyfyniad APA

Friedman, H. S., & Schustack, M. W. (2004). Personality: Classic theories and modern research (2nd ed.). Pearson Education.

Dyfyniad Arddull Chicago

Friedman, Howard S., and Miriam W. Schustack. Personality: Classic Theories and Modern Research. 2nd ed. Delhi: Pearson Education, 2004.

Dyfyniad MLA

Friedman, Howard S., and Miriam W. Schustack. Personality: Classic Theories and Modern Research. 2nd ed. Pearson Education, 2004.

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