Slade, S., & Waites, J. C. (2009). What's new at the zoo?: An animal adding adventure. Sylvan Dell Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSlade, Suzanne, और Joan C. Waites. What's New at the Zoo?: An Animal Adding Adventure. Mount Pleasant, SC: Sylvan Dell Publishing, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSlade, Suzanne, और Joan C. Waites. What's New at the Zoo?: An Animal Adding Adventure. Sylvan Dell Publishing, 2009.
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