Patna University. Dept. of Geography. Geographical Society. (1987). Geographical perspective. Geographical Society, Dept. of Geography, Patna University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Patna University. Dept. of Geography. Geographical Society. Geographical Perspective. Patna, India: Geographical Society, Dept. of Geography, Patna University, 1987.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Patna University. Dept. of Geography. Geographical Society. Geographical Perspective. Geographical Society, Dept. of Geography, Patna University, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.