Dyfyniad APA

Alcock, J. (1989). Animal behavior: An evolutionary approach (4th ed.). Sinauer Associates.

Dyfyniad Arddull Chicago

Alcock, John. Animal Behavior: An Evolutionary Approach. 4th ed. Sunderland, Mass: Sinauer Associates, 1989.

Dyfyniad MLA

Alcock, John. Animal Behavior: An Evolutionary Approach. 4th ed. Sinauer Associates, 1989.

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