Dyfyniad APA

Horel, J., & Geisler , J. (1997). Global environmental change : an atmospheric: Perspective. John Wiley & Sons.

Dyfyniad Arddull Chicago

Horel, John, and Jack Geisler. Global Environmental Change : an Atmospheric: Perspective. New York: John Wiley & Sons, 1997.

Dyfyniad MLA

Horel, John, and Jack Geisler. Global Environmental Change : an Atmospheric: Perspective. John Wiley & Sons, 1997.

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