Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Global Policy Research Institute, Richard A. Simmons, και 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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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.