Hill, S. c. a., & Moore, M. (2006). Ruby's perfect day. HarperCollins.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHill, Susan children's author, और Margie Moore. Ruby's Perfect Day. New York: HarperCollins, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHill, Susan children's author, और Margie Moore. Ruby's Perfect Day. HarperCollins, 2006.
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