Villegas, V. E. (1965). Types and breeds of farm animals, how to judge and select them. Philippine Education.
芝加哥风格引文Villegas, Valente Estrada. Types and Breeds of Farm Animals, How to Judge and Select Them. Manila: Philippine Education, 1965.
MLA引文Villegas, Valente Estrada. Types and Breeds of Farm Animals, How to Judge and Select Them. Philippine Education, 1965.
警告：这些引文格式不一定是100％准确.