Gaya APA

Clark, R, C., Mayer, R, E. (2003). E-LEARNING AND THE SCIENCE OF INSTRUCTION : proven guidelines for consumers and designers of multimedia learning (Edisi 4, cet 1). United States of America: John Wiley & Sons,.

Gaya MLA

Clark, Ruth, Colvin., Mayer, Richard, E.. "E-LEARNING AND THE SCIENCE OF INSTRUCTION : proven guidelines for consumers and designers of multimedia learning". Edisi 4, cet 1 United States of America: John Wiley & Sons,, 2003. Text.