Dyfyniad APA

(1919). The Northwestern breeder and livestock buyers' guide. B.H. Critchfield Co..

Dyfyniad Arddull Chicago

The Northwestern Breeder and Livestock Buyers' Guide. Fargo, N.D.: B.H. Critchfield Co., 1919.

Dyfyniad MLA

The Northwestern Breeder and Livestock Buyers' Guide. B.H. Critchfield Co., 1919.

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