Patna University. Dept. of Geography. Geographical Society. (1987). Geographical perspective. Geographical Society, Dept. of Geography, Patna University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPatna University. Dept. of Geography. Geographical Society. Geographical Perspective. Patna, India: Geographical Society, Dept. of Geography, Patna University, 1987.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPatna University. Dept. of Geography. Geographical Society. Geographical Perspective. Geographical Society, Dept. of Geography, Patna University, 1987.
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