Harrison, D. L. (1978). The circus is in town: A counting book. Western publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarrison, David L. The Circus Is in Town: A Counting Book. New York: Western publishing, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHarrison, David L. The Circus Is in Town: A Counting Book. Western publishing, 1978.
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