Dyfyniad APA

Arthur, Rice, & Victor. (1957). Breeding and improvement of farm animals. London.

Dyfyniad Arddull Chicago

Arthur, Rice, and Victor. Breeding and Improvement of Farm Animals. London, 1957.

Dyfyniad MLA

Arthur, et al. Breeding and Improvement of Farm Animals. London, 1957.

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