al-Odhari, A. M. A. (2006). The construction of the graph of diagram and cylindrical groups from semigroup presentations of natural numbers. Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)al-Odhari, Adel Mohammed Abdulatef. The Construction of the Graph of Diagram and Cylindrical Groups from Semigroup Presentations of Natural Numbers. Bangi: Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia, 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)al-Odhari, Adel Mohammed Abdulatef. The Construction of the Graph of Diagram and Cylindrical Groups from Semigroup Presentations of Natural Numbers. Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.