Gardy, J., & Holinaty, J. (2014). It's catching: The infectious world of germs and microbes. Owlkids Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGardy, Jennifer, और Josh Holinaty. It's Catching: The Infectious World of Germs and Microbes. Toronto: Owlkids Books Inc., 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGardy, Jennifer, और Josh Holinaty. It's Catching: The Infectious World of Germs and Microbes. Owlkids Books Inc., 2014.
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