Gaya APA

Gagne, R, M., Swanson, C, P. (1979). Principles of instruction design . New York: New York: Holt, Renegard and Wiston; 1979.

Gaya MLA

Gagne, Robert, M.., Swanson, Carl, P.. "Principles of instruction design". New York: New York: Holt, Renegard and Wiston; 1979, 1979. Text.