Não informado. (2018). Progress in Swine Practice. American Veterinary Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Progress in Swine Practice. Wheaton, Ill: American Veterinary Publications, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Progress in Swine Practice. American Veterinary Publications, 2018.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.