APA引文

George Joy. (1995). Phosphorus and trace element status of anoestrus and repeat breader crossbred cows. College of veterinary and animal sciences.

Chicago Edition Citation

George Joy. Phosphorus and Trace Element Status of Anoestrus and Repeat Breader Crossbred Cows. College of veterinary and animal sciences, 1995.

MLA引文

George Joy. Phosphorus and Trace Element Status of Anoestrus and Repeat Breader Crossbred Cows. College of veterinary and animal sciences, 1995.

警告：這些引文格式不一定是100％准確.