Dyfyniad APA

(2012). The law of energy for sustainable development. Cambridge University Press.

Dyfyniad Arddull Chicago

The Law of Energy for Sustainable Development. Cambridge: Cambridge University Press, 2012.

Dyfyniad MLA

The Law of Energy for Sustainable Development. Cambridge University Press, 2012.

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