Dyfyniad APA

(2005). Biological diversity and function in soils. New York: Cambridge University Press.

Dyfyniad Arddull Chicago

Biological Diversity and Function in Soils. New York: Cambridge University Press, 2005.

Dyfyniad MLA

Biological Diversity and Function in Soils. New York: Cambridge University Press, 2005.

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