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.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations Environment Programme, International Society for Ecological Modelling, Yehia ElMahgary, και 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.
Παραπομπή σε μορφή MLA (9th εκδ.)United 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.