Gaya APA

Clark, R, C., Mayer, R, E. (2002). e-Learning and the science of instruction: Proven guidelines for consumers and designers of multimedia learning . New York: Pfeiffer.

Gaya MLA

Clark, Ruth, Colvin., Mayer, Richard, E.. "e-Learning and the science of instruction: Proven guidelines for consumers and designers of multimedia learning". New York: Pfeiffer, 2002. Text.