Rylant, C., & Stevenson, S. (1999). Henry and Mudge and the snowman plan: The nineteenth book of their adventures. Simon & Schuster Books for Young Readers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRylant, Cynthia, और Suçie Stevenson. Henry and Mudge and the Snowman Plan: The Nineteenth Book of Their Adventures. New York, N.Y.: Simon & Schuster Books for Young Readers, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRylant, Cynthia, और Suçie Stevenson. Henry and Mudge and the Snowman Plan: The Nineteenth Book of Their Adventures. Simon & Schuster Books for Young Readers, 1999.
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