IGU Symposium on Urban Geography in Developing Countries Varanasi & Singh, R. L. (1973). Urban geography in developing countries: Proceedings of I.G.U. Symposium no. 15, Varanasi, November 22-29, 1968. National Geographical Society of India.
Lua i Stíl Chicago (17ú heag.)IGU Symposium on Urban Geography in Developing Countries Varanasi agus R. L. Singh. Urban Geography in Developing Countries: Proceedings of I.G.U. Symposium No. 15, Varanasi, November 22-29, 1968. Varanasi: National Geographical Society of India, 1973.
Lua MLA (8ú heag.)IGU Symposium on Urban Geography in Developing Countries Varanasi agus R. L. Singh. Urban Geography in Developing Countries: Proceedings of I.G.U. Symposium No. 15, Varanasi, November 22-29, 1968. National Geographical Society of India, 1973.