Uff, C. (2000). Lulu's busy day. Walker.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUff, Caroline. Lulu's Busy Day. New York: Walker, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUff, Caroline. Lulu's Busy Day. Walker, 2000.
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