APA-ийн эшлэл(7 дахь хэвлэлт)
Coyle, E. D., & Simmons, R. A. (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)
Coyle, Eugene D., ба Richard A. Simmons. 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)
Coyle, Eugene D., ба Richard A. Simmons. Understanding the Global Energy Crisis. Published on behalf of the Global Policy Research Institute by Purdue University Press, 2014.
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