Dyfyniad APA

David E Noakes, Geoffrey H Arthur, & Harold Pearson. (1996). Veterinary reproduction and obstetrics (7.). Philadeiphia.

Dyfyniad Arddull Chicago

David E Noakes, Geoffrey H Arthur, and Harold Pearson. Veterinary Reproduction and Obstetrics. 7. Philadeiphia, 1996.

Dyfyniad MLA

David E Noakes, et al. Veterinary Reproduction and Obstetrics. 7. Philadeiphia, 1996.

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