APA استشهاد

R A Singh. (1992). Poultry production (3.). Kalyani publishers.

استشهاد بنمط شيكاغو

R A Singh. Poultry Production. 3. Kalyani publishers, 1992.

MLA استشهاد

R A Singh. Poultry Production. 3. Kalyani publishers, 1992.