de Waal, F., & Runnette, S. (2016). Are we smart enough to know how smart animals are? (Unabridged.). Blackstone Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रde Waal, Frans, और Sean Runnette. Are We Smart Enough to Know How Smart Animals Are? Unabridged. Ashland: Blackstone Publishing, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रde Waal, Frans, और Sean Runnette. Are We Smart Enough to Know How Smart Animals Are? Unabridged. Blackstone Publishing, 2016.
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