George Joy. (1995). Phosphorus and trace element status of anoestrus and repeat breader crossbred cows. College of veterinary and animal sciences.
シカゴスタイル引用形George Joy. Phosphorus and Trace Element Status of Anoestrus and Repeat Breader Crossbred Cows. College of veterinary and animal sciences, 1995.
MLA引用形式George Joy. Phosphorus and Trace Element Status of Anoestrus and Repeat Breader Crossbred Cows. College of veterinary and animal sciences, 1995.
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