Dyfyniad APA

Charles J. Krebs. (2001). Ecology: The experimental analysis of distribution and abundance. San Francisco: Benjamin Cummings.

Dyfyniad Arddull Chicago

Charles J. Krebs. Ecology: The Experimental Analysis of Distribution and Abundance. San Francisco: Benjamin Cummings, 2001.

Dyfyniad MLA

Charles J. Krebs. Ecology: The Experimental Analysis of Distribution and Abundance. San Francisco: Benjamin Cummings, 2001.

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