Peg Hall. (2002). "Whose Eyes Are These?: A Look at Animal Eyes - Big, Round, and Narrow (Whose Is It?)". Picture Window Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPeg Hall. "Whose Eyes Are These?: A Look at Animal Eyes - Big, Round, and Narrow (Whose Is It?)". Picture Window Books, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPeg Hall. "Whose Eyes Are These?: A Look at Animal Eyes - Big, Round, and Narrow (Whose Is It?)". Picture Window Books, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.