Gaya APA

Robert, M, G, E, A. (1992). Principles Intructional DEsign (Ed.4). New York: Harcourt Brace Jovanovich Collage Publisher.

Gaya MLA

Robert, M., Gagne, Et, Al.. "Principles Intructional DEsign". Ed.4 New York: Harcourt Brace Jovanovich Collage Publisher, 1992. Text.