Dyfyniad APA

Keddy, P. A. (2010). Wetland Ecology: Principles and conservation (2nd ed.). Cambridge university press.

Dyfyniad Arddull Chicago

Keddy, Paul A. Wetland Ecology: Principles and Conservation. 2nd ed. Delhi: Cambridge university press, 2010.

Dyfyniad MLA

Keddy, Paul A. Wetland Ecology: Principles and Conservation. 2nd ed. Cambridge university press, 2010.

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