International Institute for Applied Systems Analysis. Energy Systems Program Group, Häfele, W., Anderer, J., McDonald, A., & Nakićenović, N. (1981). Energy in a finite world: Report. Ballinger Pub. Co..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিInternational Institute for Applied Systems Analysis. Energy Systems Program Group, Wolf Häfele, Jeanne Anderer, A. McDonald, এবং Nebojša Nakićenović. Energy in a Finite World: Report. Cambridge, Mass.: Ballinger Pub. Co., 1981.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিInternational Institute for Applied Systems Analysis. Energy Systems Program Group, et al. Energy in a Finite World: Report. Ballinger Pub. Co., 1981.