Patterson, J., Grabenstein, C., & Neufeld, J. (2016). Peril at the top of the world (First edition.). Little, Brown and Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPatterson, James, Chris Grabenstein, और Juliana Neufeld. Peril at the Top of the World. First edition. New York: Little, Brown and Company, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPatterson, James, et al. Peril at the Top of the World. First edition. Little, Brown and Company, 2016.
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