International Conference on Conceptual Modeling, Kunii, H. S., Jajodia, S., & Sovberg, A. (2001). Conceptual modeling-ER 2001: 20th International Conference on Conceptual Modeling, Yokohama, Japan, November 27-30, 2001 : proceedings. New York: Springer.
Παραπομπή Chicago StyleInternational Conference on Conceptual Modeling, Hideko S. Kunii, Sushil Jajodia, and Arne Sovberg. Conceptual Modeling-ER 2001: 20th International Conference On Conceptual Modeling, Yokohama, Japan, November 27-30, 2001 : Proceedings. New York: Springer, 2001.
Παραπομπή MLAInternational Conference on Conceptual Modeling, Hideko S. Kunii, Sushil Jajodia, and Arne Sovberg. Conceptual Modeling-ER 2001: 20th International Conference On Conceptual Modeling, Yokohama, Japan, November 27-30, 2001 : Proceedings. New York: Springer, 2001.