Dyfyniad APA

Wilson, R., & Jones, W. J. (1974). Energy, ecology, and the environment. Academic Press.

Dyfyniad Arddull Chicago

Wilson, Richard, and William J. Jones. Energy, Ecology, and the Environment. [New York: Academic Press, 1974.

Dyfyniad MLA

Wilson, Richard, and William J. Jones. Energy, Ecology, and the Environment. Academic Press, 1974.

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