Não informado. (2002). The Animal Welfare Institute Quarterly. Animal Welfare Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. The Animal Welfare Institute Quarterly. Washington: Animal Welfare Institute, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. The Animal Welfare Institute Quarterly. Animal Welfare Institute, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.