Dyfyniad APA

Christiansen. (1977). Theories of populations in biological communities. Springer-Verlag.

Dyfyniad Arddull Chicago

Christiansen. Theories of Populations in Biological Communities. New York: Springer-Verlag, 1977.

Dyfyniad MLA

Christiansen. Theories of Populations in Biological Communities. Springer-Verlag, 1977.

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