Clark, R. C., & Mayer, R. E. (2008). E-learning and the science of instruction: Proven guidelines for consumers and designers of multimedia learning (2nd ed.). Pfeiffer.
Παραπομπή σε μορφή Chicago (17η εκδ.)Clark, Ruth Colvin, και Richard E. Mayer. E-learning and the Science of Instruction: Proven Guidelines for Consumers and Designers of Multimedia Learning. 2nd ed. San Francisco, CA: Pfeiffer, 2008.
Παραπομπή σε μορφή MLA (9th εκδ.)Clark, Ruth Colvin, και Richard E. Mayer. E-learning and the Science of Instruction: Proven Guidelines for Consumers and Designers of Multimedia Learning. 2nd ed. Pfeiffer, 2008.
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