Gutman, D. (2007). The homework machine (1st Aladdin Paperbacks ed.). Aladdin Paperbacks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGutman, Dan. The Homework Machine. 1st Aladdin Paperbacks ed. New York: Aladdin Paperbacks, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGutman, Dan. The Homework Machine. 1st Aladdin Paperbacks ed. Aladdin Paperbacks, 2007.
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