Dyfyniad APA

Gagne, R. M., Briggs, L. J., & Wager, W. W. (1988). Principles of instructional design (3rd ed.). Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

Gagne, Robert Mills, Leslie J. Briggs, and Walter W. Wager. Principles of Instructional Design. 3rd ed. Fort Worth: Holt, Rinehart and Winston, 1988.

Dyfyniad MLA

Gagne, Robert Mills, et al. Principles of Instructional Design. 3rd ed. Holt, Rinehart and Winston, 1988.

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