Dyfyniad APA

Andrews, J., & Jelley, N. A. (2007). Energy science: Principles, technologies, and impacts. Oxford University Press.

Dyfyniad Arddull Chicago

Andrews, John, and Nick A. Jelley. Energy Science: Principles, Technologies, and Impacts. Oxford: Oxford University Press, 2007.

Dyfyniad MLA

Andrews, John, and Nick A. Jelley. Energy Science: Principles, Technologies, and Impacts. Oxford University Press, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.