Dyfyniad APA

Reber, A. S., Allen, R., & Reber, E. S. (2009). The penguin dictionary of psychology (Fourth edition.). AUWSF.

Dyfyniad Arddull Chicago

Reber, Arthur S., Rhianon Allen, and Emily S. Reber. The Penguin Dictionary of Psychology. Fourth edition. London: AUWSF, 2009.

Dyfyniad MLA

Reber, Arthur S., et al. The Penguin Dictionary of Psychology. Fourth edition. AUWSF, 2009.

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