توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Al-Samawi, A. A., & Hama, A. R. (2012, December). The Use of Okra as a Coagulant and Coagulant Aids in the Removal of Heavy Metals of Solid Waste Leachates. Engineering and Technology Journal.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Al-Samawi, Adnan A., و Ako R. Hama. "The Use of Okra as a Coagulant and Coagulant Aids in the Removal of Heavy Metals of Solid Waste Leachates." Engineering and Technology Journal Dec. 2012.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Al-Samawi, Adnan A., و Ako R. Hama. "The Use of Okra as a Coagulant and Coagulant Aids in the Removal of Heavy Metals of Solid Waste Leachates." Engineering and Technology Journal, Dec. 2012.