Ahmad, A. (1980). Management of agricultural research: Problems and perspectives. Administrative Staff College of India : National Academy for Agricultural Research Management ; sole distributors, Allied.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmad, Aqueil. Management of Agricultural Research: Problems and Perspectives. Hyderabad : New Delhi: Administrative Staff College of India : National Academy for Agricultural Research Management ; sole distributors, Allied, 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ahmad, Aqueil. Management of Agricultural Research: Problems and Perspectives. Administrative Staff College of India : National Academy for Agricultural Research Management ; sole distributors, Allied, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.