Wooldridge, M.; Jennings, N. R. (1995). "Intelligent agents: theory and practice". Knowledge Engineering Review. 10 (2): 115–152. doi:10.1017/S0269888900008122. hdl:10044/1/35975.
Franklin, S.; Graesser, A. (1996). "Is it an Agent, or just a Program?: A Taxonomy for Autonomous Agents". Intelligent Agents III Agent Theories, Architectures, and Languages. Lecture Notes in Computer Science. Vol. 1193. University of Memphis, Institute for Intelligent Systems. pp. 21–35. doi:10.1007/BFb0013570. ISBN978-3-540-62507-0.
Wooldridge, M.; Jennings, N. R. (1995). "Intelligent agents: theory and practice". Knowledge Engineering Review. 10 (2): 115–152. doi:10.1017/S0269888900008122. hdl:10044/1/35975.