Gaya APA

Gagne, R, M., Briggs, L, J. (1979). Principles of instructional design (2nd ed.). New York: Rinehart and Wiston.

Gaya MLA

Gagne, Robert, M.., Briggs, Leslie, J.. "Principles of instructional design". 2nd ed. New York: Rinehart and Wiston, 1979. Text.