Dyfyniad APA

Yapp, W. W., & Nevens, W. B. (1955). Dairy cattle: Selection, feeding and management (4th ed.). Wiley.

Dyfyniad Arddull Chicago

Yapp, William Wodin, and W. B. Nevens. Dairy Cattle: Selection, Feeding and Management. 4th ed. New York: Wiley, 1955.

Dyfyniad MLA

Yapp, William Wodin, and W. B. Nevens. Dairy Cattle: Selection, Feeding and Management. 4th ed. Wiley, 1955.

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