Global Policy Research Institute, Simmons, R. A., & Coyle, E. D. (2014). Understanding the Global Energy Crisis. Published on behalf of the Global Policy Research Institute by Purdue University Press.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিGlobal Policy Research Institute, Richard A. Simmons, এবং Eugene D. Coyle. Understanding the Global Energy Crisis. West Lafayette, Indiana: Published on behalf of the Global Policy Research Institute by Purdue University Press, 2014.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিGlobal Policy Research Institute, et al. Understanding the Global Energy Crisis. Published on behalf of the Global Policy Research Institute by Purdue University Press, 2014.
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