Dyfyniad APA

Ridley, M. W. (1983). The mating system of the pheasant Phasianus colchicus. University of Oxford.

Dyfyniad Arddull Chicago

Ridley, M. W. The Mating System of the Pheasant Phasianus Colchicus. England: University of Oxford, 1983.

Dyfyniad MLA

Ridley, M. W. The Mating System of the Pheasant Phasianus Colchicus. University of Oxford, 1983.

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