1. Ausubel, D. P., Hanesian, H., & Novak, J. D. (1978). Educational psychology: a cognitive view (2d ed.). New York: Holt, Rinehart and Winston.
2. Becker, K. (2005). How Are Games Educational? Learning Theories Embodied in Games. Paper presented at the DiGRA 2005 2nd International Conference, “Changing Views: Worlds in Play”, Vancouver, B.C., June 16-20, 2005.
3. Becker, K. (2006a). Classifying Learning Objectives in Commercial Video Games: Proof of Concept. Paper presented at the Canadian Games Studies Association Symposium, York, University, Toronto, Ontario, Sept 21–24.
4. Becker, K. (2006b). Pedagogy in Commercial Video Games. In D. Gibson, C. Aldrich & M. Prensky (Eds.), Games and Simulations in Online Learning: Research and Development Frameworks: Idea Group Inc.
5. Bloom, B. S. (1964). Taxonomy of educational objectives; the classification of educational goals, by a committee of college and university examiners. New York: D. McKay.