APA استشهاد

Jull, M. A. (1951). Successful poultry management (2.). Mc Graw- Hill Book Company Inc.

استشهاد بنمط شيكاغو

Jull, Morley A. Successful Poultry Management. 2. New York: Mc Graw- Hill Book Company Inc, 1951.

MLA استشهاد

Jull, Morley A. Successful Poultry Management. 2. Mc Graw- Hill Book Company Inc, 1951.