7th International conference on Energy and Enviroment ( Cairo, International Conference on Energy, Development and Environment, Sharkawy, A., & Kummler, R. H. (2000). Advances in energy development and environment: Proceedings of Cairo 7th International conference on Energy and Enviroment Cairo. 11-13 March, 2000. [s.n.].
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি7th International conference on Energy and Enviroment ( Cairo, Development and Environment International Conference on Energy, Abdullatif Sharkawy, এবং Ralp H. Kummler. Advances in Energy Development and Environment: Proceedings of Cairo 7th International Conference on Energy and Enviroment Cairo. 11-13 March, 2000. [s.l.]: [s.n.], 2000.
M.L.A (9 ম সংস্করণ) উদ্ধৃতি7th International conference on Energy and Enviroment ( Cairo, et al. Advances in Energy Development and Environment: Proceedings of Cairo 7th International Conference on Energy and Enviroment Cairo. 11-13 March, 2000. [s.n.], 2000.