Dyfyniad APA

Baumeister, R. F., & Roy F. Baumeister; Brad J. Bushman. (2008). Social psychology and human nature. Belmont, CA: Thomson Higher Education.

Dyfyniad Arddull Chicago

Baumeister, Roy F., và Roy F. Baumeister; Brad J. Bushman. Social Psychology and Human Nature. Belmont, CA: Thomson Higher Education, 2008.

Dyfyniad MLA

Baumeister, Roy F., và Roy F. Baumeister; Brad J. Bushman. Social Psychology and Human Nature. Belmont, CA: Thomson Higher Education, 2008.

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