Dyfyniad APA

Evans, I. M., & Smith, P. A. (1970). Psychology for a changing world. Wiley.

Dyfyniad Arddull Chicago

Evans, Idella M., and Patricia A. Smith. Psychology for a Changing World. New York: Wiley, 1970.

Dyfyniad MLA

Evans, Idella M., and Patricia A. Smith. Psychology for a Changing World. Wiley, 1970.

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