Cuyler, M., & Pearson, T. C. (2010). Guinea pigs add up. Walker Books for Young Readers : Distributed to the trade by Macmillan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCuyler, Margery, और Tracey Campbell Pearson. Guinea Pigs Add Up. New York: Walker Books for Young Readers : Distributed to the trade by Macmillan, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCuyler, Margery, और Tracey Campbell Pearson. Guinea Pigs Add Up. Walker Books for Young Readers : Distributed to the trade by Macmillan, 2010.
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