Dyfyniad APA

Sternberg, R. J., Sternberg, K., & Mio, J. S. (2012). Cognition (Sixth edition.). Wadsworth/Cengage Learning.

Dyfyniad Arddull Chicago

Sternberg, Robert J., Karin Sternberg, and Jeffery Scott Mio. Cognition. Sixth edition. [Singapore]: Wadsworth/Cengage Learning, 2012.

Dyfyniad MLA

Sternberg, Robert J., et al. Cognition. Sixth edition. Wadsworth/Cengage Learning, 2012.

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