Dyfyniad APA

Tester, J. W., Drake, E. M., & Driscoll, M. J. (2012). Sustainable energy: Choosing among options (2nd ed.). Cambridge, Mass: MIT Press.

Dyfyniad Arddull Chicago

Tester, Jefferson W., Elisabeth M. Drake, και Michael J. Driscoll. Sustainable Energy: Choosing Among Options. 2nd ed. Cambridge, Mass: MIT Press, 2012.

Dyfyniad MLA

Tester, Jefferson W., Elisabeth M. Drake, και Michael J. Driscoll. Sustainable Energy: Choosing Among Options. 2nd ed. Cambridge, Mass: MIT Press, 2012.

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