Não informado. (2004). International goat and sheep research. Dairy Goat Journal Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. International Goat and Sheep Research. Scottsdale, Ariz: Dairy Goat Journal Publishers, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. International Goat and Sheep Research. Dairy Goat Journal Publishers, 2004.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.