Dyfyniad APA

Oldfield, F. (2005). Environmental change: Key issues and alternate approaches. Cambridge University Press.

Dyfyniad Arddull Chicago

Oldfield, Frank. Environmental Change: Key Issues and Alternate Approaches. Cambridge: Cambridge University Press, 2005.

Dyfyniad MLA

Oldfield, Frank. Environmental Change: Key Issues and Alternate Approaches. Cambridge University Press, 2005.

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