Stadler, J. a. 1. (1993). The adventures of Snail at school. HarperCollins.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStadler, John. active 1971. The Adventures of Snail at School. New York: HarperCollins, 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रStadler, John. active 1971. The Adventures of Snail at School. HarperCollins, 1993.
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