Gaya APA

Gagne, R, M., J., I, B, L. (1979). Principles of instructional design . New York: New York: Holt, Rinehart and Winston; 1979..

Gaya MLA

Gagne, Robert, M.., J., I., Briggs,, Leslie. "Principles of instructional design". New York: New York: Holt, Rinehart and Winston; 1979., 1979. Text.