Aḥmad, N. (1981). An analysis of academic libraries in the Punjab (Pakistan): And proposals for their future development. British Library Document Supply Centre.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Aḥmad, Naẕīr. An Analysis of Academic Libraries in the Punjab (Pakistan): And Proposals for Their Future Development. Boston Spa, United Kindom: British Library Document Supply Centre, 1981.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Aḥmad, Naẕīr. An Analysis of Academic Libraries in the Punjab (Pakistan): And Proposals for Their Future Development. British Library Document Supply Centre, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.