Savage, S. (2019). The babysitter from another planet (First edition.). Neal Porter Books, Holiday House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSavage, Stephen. The Babysitter from Another Planet. First edition. New York: Neal Porter Books, Holiday House, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSavage, Stephen. The Babysitter from Another Planet. First edition. Neal Porter Books, Holiday House, 2019.
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