Dyfyniad APA

A D Weaver & R W Blowey. (1991). A Colour Atlas of Diseases and Disorders of Cattle. England.

Dyfyniad Arddull Chicago

A D Weaver and R W Blowey. A Colour Atlas of Diseases and Disorders of Cattle. England, 1991.

Dyfyniad MLA

A D Weaver and R W Blowey. A Colour Atlas of Diseases and Disorders of Cattle. England, 1991.

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