1. Anderson, J. R. (1980). Cognitive psychology and its implications. New York: W.H. Freeman.
2. Anonymous. (2006, 29 March). Hokkaido de Winny niyoru jyukinetto no jouhou rouei. [Jyuki net information leaks by Winny at Hokkaido.] Kyodo News.
3. Bandura, A. (1995). Exercise of personal and collective efficacy in changing societies. In A. Bandura (Ed.), Self-efficacy in changing societies (pp. 1–45). Cambridge: Cambridge University Press.
4. Bandura, A. (1997). Self-efficacy: The exercise of control. New York: W.H. Freeman.
5. Barker, L., & Edwards, R. (1980). Intrapersonal communication. Dubuque: Gorsuch Scarisbrick Publishers.