Yancey, R. (2005). The extraordinary adventures of Alfred Kropp (1st U.S. ed.). Bloomsbury Pub. : Distributed to the trade by Holtzbrinck Publishers : Scholastic Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYancey, Richard. The Extraordinary Adventures of Alfred Kropp. 1st U.S. ed. New York: Bloomsbury Pub. : Distributed to the trade by Holtzbrinck Publishers : Scholastic Inc., 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रYancey, Richard. The Extraordinary Adventures of Alfred Kropp. 1st U.S. ed. Bloomsbury Pub. : Distributed to the trade by Holtzbrinck Publishers : Scholastic Inc., 2005.
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