APA (7e ed.) Bronvermelding

Villegas, V. E. (1965). Types and breeds of farm animals, how to judge and select them. Philippine Education.

Chicago (17e ed.) Bronvermelding

Villegas, Valente Estrada. Types and Breeds of Farm Animals, How to Judge and Select Them. Manila: Philippine Education, 1965.

MLA (9e ed.) Bronvermelding

Villegas, Valente Estrada. Types and Breeds of Farm Animals, How to Judge and Select Them. Philippine Education, 1965.