Summer School in Applied Geography Banaras Hindu University & Singh, R. L. (1968). Applied geography: Proceedings of the Summer School, Department of Geography, Banaras Hindu University, November 1-10, 1966. National Geographical Society of India.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSummer School in Applied Geography Banaras Hindu University और R. L. Singh. Applied Geography: Proceedings of the Summer School, Department of Geography, Banaras Hindu University, November 1-10, 1966. Varanasi: National Geographical Society of India, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSummer School in Applied Geography Banaras Hindu University और R. L. Singh. Applied Geography: Proceedings of the Summer School, Department of Geography, Banaras Hindu University, November 1-10, 1966. National Geographical Society of India, 1968.