Birmelin, I. (2008). Guinea pigs (1st ed. for the U.S.). Barron's Educational Series.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBirmelin, I. Guinea Pigs. 1st ed. for the U.S. Hauppauge, N.Y.: Barron's Educational Series, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBirmelin, I. Guinea Pigs. 1st ed. for the U.S. Barron's Educational Series, 2008.
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