Gagné, R. M., & Briggs, L. J. (1974). Principles of instructional design. Holt, Rinehart and Winston.
Cita Chicago (17th ed.)Gagné, Robert Mills, i Leslie J. Briggs. Principles of Instructional Design. Nueva York: Holt, Rinehart and Winston, 1974.
Cita MLA (9th ed.)Gagné, Robert Mills, i Leslie J. Briggs. Principles of Instructional Design. Holt, Rinehart and Winston, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.