Dyfyniad APA

Gagne, R. M., & Briggs , L. (1979). Principles of instructional desing (2nd ed.). Holt,Rinehart and Winston.

Dyfyniad Arddull Chicago

Gagne, Robert M., and Lesliej Briggs. Principles of Instructional Desing. 2nd ed. New York: Holt,Rinehart and Winston, 1979.

Dyfyniad MLA

Gagne, Robert M., and Lesliej Briggs. Principles of Instructional Desing. 2nd ed. Holt,Rinehart and Winston, 1979.

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