APA引文

Campbell, J. R. (2003). Animal sciences: The biology, care, and production of domestic animals. Boston: McGraw-Hill.

Trích dẫn kiểu Chicago

Campbell, John R. Animal Sciences: The Biology, Care, and Production of Domestic Animals. Boston: McGraw-Hill, 2003.

MLA引文

Campbell, John R. Animal Sciences: The Biology, Care, and Production of Domestic Animals. Boston: McGraw-Hill, 2003.

警告：这些引文格式不一定是100％准确.