1. Anderson, J. R. (1990). Cognitive psychology and its implications. New York: Freeman.
2. Baddeley, A. (1986). Working memory. Oxford, England: Oxford University Press.
3. Bjork, R. A. (1994). Memory and metamemory considerations in the training of human beings. In J. Metcalfe & A. Shimamura (Eds.), Metacognition: Knowing about knowing (pp. 185-205). Cambridge, MA: MIT Press.
4. Booth, P. A. (1989). An introduction to human-computer interaction. Hove, England: Lawrence Erlbaum Associates, Inc.
5. Levels of processing: A framework for memory research