Gagne, R. M., Briggs, L. J., & Wager, W. W. (1988). Principles of instructional design (3rd ed.). Holt, Rinehart and Winston.
Citazione stile Chigago Style (17a edizione)Gagne, Robert Mills, Leslie J. Briggs, e Walter W. Wager. Principles of Instructional Design. 3rd ed. Fort Worth: Holt, Rinehart and Winston, 1988.
Citatione MLA (9a ed.)Gagne, Robert Mills, et al. Principles of Instructional Design. 3rd ed. Holt, Rinehart and Winston, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.