Mohamed, H. (2002). Learn to communicate effectively: A course book of communication in academic and other professional settings. Mzumbe Book Project.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mohamed, Hashim. Learn to Communicate Effectively: A Course Book of Communication in Academic and Other Professional Settings. Morogoro, Tanzania: Mzumbe Book Project, 2002.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Mohamed, Hashim. Learn to Communicate Effectively: A Course Book of Communication in Academic and Other Professional Settings. Mzumbe Book Project, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.