Villegas, V. E. (1965). Types and breeds of farm animals, how to judge and select them. Philippine Education.
Chicago-Zitierstil (17. Ausg.)Villegas, Valente Estrada. Types and Breeds of Farm Animals, How to Judge and Select Them. Manila: Philippine Education, 1965.
MLA-Zitierstil (9. Ausg.)Villegas, Valente Estrada. Types and Breeds of Farm Animals, How to Judge and Select Them. Philippine Education, 1965.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.