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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ibrahim, Abdalla M., و 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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ibrahim, Abdalla M., و 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.