Dyfyniad APA

Gagne, E. D., Yekovich, C. W., & Yekovich, F. R. (1993). The cognitive psychology of school learning (2nd ed.). HarperCollins College Publishers.

Dyfyniad Arddull Chicago

Gagne, Ellen D., Carol Walker Yekovich, and Frank R. Yekovich. The Cognitive Psychology of School Learning. 2nd ed. New York: HarperCollins College Publishers, 1993.

Dyfyniad MLA

Gagne, Ellen D., et al. The Cognitive Psychology of School Learning. 2nd ed. HarperCollins College Publishers, 1993.

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