John R Campbell. (2013). Animal sciences: The biology, care and production of domestic animals (4.). Scientific international pvt. ltd.
استشهاد بنمط شيكاغوJohn R Campbell. Animal Sciences: The Biology, Care and Production of Domestic Animals. 4. New Delhi: Scientific international pvt. ltd, 2013.
MLA استشهادJohn R Campbell. Animal Sciences: The Biology, Care and Production of Domestic Animals. 4. Scientific international pvt. ltd, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.