Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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