United Nations Environment Programme, International Society for Ecological Modelling, ElMahgary, Y., & Biswas, A. K. (1985). Integrated rural energy planning. Published by Butterworths for the United Nations Environment Programme and the International Society for Ecological Modelling.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations Environment Programme, International Society for Ecological Modelling, Yehia ElMahgary, और Asit K. Biswas. Integrated Rural Energy Planning. Guildford, Surrey, England: Published by Butterworths for the United Nations Environment Programme and the International Society for Ecological Modelling, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations Environment Programme, et al. Integrated Rural Energy Planning. Published by Butterworths for the United Nations Environment Programme and the International Society for Ecological Modelling, 1985.