Citazione Stile APA (7a Edizione)
ebrary, Inc, Ashour, A. A., & Obada, A. -. F. (2001). Mathematics and the 21st century: Proceedings of the international conference, Cairo, Egypt, 15-20 January 2000. World Scientific.
Citazione stile Chigago Style (17a edizione)
ebrary, Inc, A. A. Ashour, e A. -S. F. Obada. Mathematics and the 21st Century: Proceedings of the International Conference, Cairo, Egypt, 15-20 January 2000. Singapore ; River Edge, NJ: World Scientific, 2001.
Citatione MLA (9a ed.)
ebrary, Inc, et al. Mathematics and the 21st Century: Proceedings of the International Conference, Cairo, Egypt, 15-20 January 2000. World Scientific, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.