Villegas, V. E. (1965). Types and breeds of farm animals, how to judge and select them. Philippine Education.
Chicago-viite (17. p.)Villegas, Valente Estrada. Types and Breeds of Farm Animals, How to Judge and Select Them. Manila: Philippine Education, 1965.
MLA-viite (9. p.)Villegas, Valente Estrada. Types and Breeds of Farm Animals, How to Judge and Select Them. Philippine Education, 1965.
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