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.
Chicago-čujuhus (17. p.)Coyle, Eugene D., juo 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-čujuhus (9. p.)Coyle, Eugene D., juo Richard A. Simmons. Understanding the Global Energy Crisis. Published on behalf of the Global Policy Research Institute by Purdue University Press, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.