Gaya APA

Clark, R, C., Mayer, R, E. (2008). e-Learning and the science of intruction : proven cuidelines for consumers and designers of multimedia learning (2nd ed). California: Pfeiffer.

Gaya MLA

Clark, Ruth, Colvin., Mayer, Richard, E.. "e-Learning and the science of intruction : proven cuidelines for consumers and designers of multimedia learning". 2nd ed California: Pfeiffer, 2008. Text.