Dyfyniad APA

Charles J Krebs. (1994). Ecology: The experimental analysis of distribution and abundance. New York: Harper Collins.

Dyfyniad Arddull Chicago

Charles J Krebs. Ecology: The Experimental Analysis of Distribution and Abundance. New York: Harper Collins, 1994.

Dyfyniad MLA

Charles J Krebs. Ecology: The Experimental Analysis of Distribution and Abundance. New York: Harper Collins, 1994.

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