Não informado. (2002). Beef Cattle Report. University of Nebraska, Institute of Agricultural and Natural Resources.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Beef Cattle Report. Lincoln, Neb: University of Nebraska, Institute of Agricultural and Natural Resources, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Beef Cattle Report. University of Nebraska, Institute of Agricultural and Natural Resources, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.