Dyfyniad APA

Alexander, D. E. [., & Fairbridge, R. W. [. (1999). Encyclopedia of environmental science. Kluwer Academic Publishers.

Dyfyniad Arddull Chicago

Alexander, David E. [ed.], and Rhodes W. [ed.] Fairbridge. Encyclopedia of Environmental Science. Dordrecht: Kluwer Academic Publishers, 1999.

Dyfyniad MLA

Alexander, David E. [ed.], and Rhodes W. [ed.] Fairbridge. Encyclopedia of Environmental Science. Kluwer Academic Publishers, 1999.

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