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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Summer School in Applied Geography Banaras Hindu University و 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Summer School in Applied Geography Banaras Hindu University و 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.