Παραπομπή APA

John R Campbell. (2013). Animal sciences: The biology, care and production of domestic animals (4.). Scientific international pvt. ltd.

Παραπομπή Chicago Style

John R Campbell. Animal Sciences: The Biology, Care and Production of Domestic Animals. 4. New Delhi: Scientific international pvt. ltd, 2013.

Παραπομπή MLA

John R Campbell. Animal Sciences: The Biology, Care and Production of Domestic Animals. 4. Scientific international pvt. ltd, 2013.