National Conference on Artificial Intelligence Anaheim, Calif, & American Association for Artificial Intelligence. (1991). AAAI-91: Proceedings, Ninth National Conference on Artificial Intelligence : July 14-19, 1991. AAAI Press ; MIT Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)National Conference on Artificial Intelligence Anaheim, Calif, και American Association for Artificial Intelligence. AAAI-91: Proceedings, Ninth National Conference on Artificial Intelligence : July 14-19, 1991. Menlo Park : Cambridge: AAAI Press ; MIT Press, 1991.
Παραπομπή σε μορφή MLA (9th εκδ.)National Conference on Artificial Intelligence Anaheim, Calif, και American Association for Artificial Intelligence. AAAI-91: Proceedings, Ninth National Conference on Artificial Intelligence : July 14-19, 1991. AAAI Press ; MIT Press, 1991.