McMullan, K., & Alley, R. W. (2003). Pearl and Wagner: Two good friends. Dial Books for Young Readers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcMullan, Kate, और R. W. Alley. Pearl and Wagner: Two Good Friends. New York: Dial Books for Young Readers, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcMullan, Kate, और R. W. Alley. Pearl and Wagner: Two Good Friends. Dial Books for Young Readers, 2003.
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