Villegas, V. E. (1965). Types and breeds of farm animals, how to judge and select them. Philippine Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVillegas, Valente Estrada. Types and Breeds of Farm Animals, How to Judge and Select Them. Manila: Philippine Education, 1965.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVillegas, Valente Estrada. Types and Breeds of Farm Animals, How to Judge and Select Them. Philippine Education, 1965.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.