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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations Environment Programme, International Society for Ecological Modelling, Yehia ElMahgary, و 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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)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.