Dyfyniad APA

Robins, R. W., Fraley, R. C., & Krueger, R. F. (2007). Handbook of research methods in personality psychology. Guilford Press.

Dyfyniad Arddull Chicago

Robins, Richard W., R. Chris Fraley, and Robert F. Krueger. Handbook of Research Methods in Personality Psychology. New York: Guilford Press, 2007.

Dyfyniad MLA

Robins, Richard W., et al. Handbook of Research Methods in Personality Psychology. Guilford Press, 2007.

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