Dyfyniad APA

Nevens, W. B. (1951). Principles of milk production. Mc Graw- Hill Book Company Inc.

Dyfyniad Arddull Chicago

Nevens, William Barbour. Principles of Milk Production. London: Mc Graw- Hill Book Company Inc, 1951.

Dyfyniad MLA

Nevens, William Barbour. Principles of Milk Production. Mc Graw- Hill Book Company Inc, 1951.

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