Lua APA (7ú heag.)
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.
Lua i Stíl Chicago (17ú heag.)
Coyle, Eugene D., agus 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.
Lua MLA (9ú heag.)
Coyle, Eugene D., agus Richard A. Simmons. Understanding the Global Energy Crisis. Published on behalf of the Global Policy Research Institute by Purdue University Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.