Pakistan. Directorate of Films & Publications. (1981). Pakistan: Energy resources. Ministry of Information & Broadcasting. Directorate of Films & Publications. Govt. of Pakistan.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pakistan. Directorate of Films & Publications. Pakistan: Energy Resources. Islamabad: Ministry of Information & Broadcasting. Directorate of Films & Publications. Govt. of Pakistan, 1981.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pakistan. Directorate of Films & Publications. Pakistan: Energy Resources. Ministry of Information & Broadcasting. Directorate of Films & Publications. Govt. of Pakistan, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.