APA (7th ed.) Zitazioa

Ibrahim, A. M., & Khalil, M. T. (2009). The red swamp crayfish in egypt: A fast spreading freshwater invasive crustacean. Ain Shams University. the center of research & studies of protectorates.

Chicago Style (17th ed.) Zitazioa

Ibrahim, Abdalla M., eta Magdy T. Khalil. The Red Swamp Crayfish in Egypt: A Fast Spreading Freshwater Invasive Crustacean. Cairo: Ain Shams University. the center of research & studies of protectorates, 2009.

MLA (9th ed.) Zitazioa

Ibrahim, Abdalla M., eta Magdy T. Khalil. The Red Swamp Crayfish in Egypt: A Fast Spreading Freshwater Invasive Crustacean. Ain Shams University. the center of research & studies of protectorates, 2009.