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.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Global Policy Research Institute, Richard A. Simmons, ба 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.
MLA -ийн эшлэл (9 дэх хэвлэлт)Global 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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