Warren, C. (2013). What the dog knows: The science and wonder of working dogs (First Touchstone hardcover edition.). Simon & Schuster.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWarren, Cat. What the Dog Knows: The Science and Wonder of Working Dogs. First Touchstone hardcover edition. New York: Simon & Schuster, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWarren, Cat. What the Dog Knows: The Science and Wonder of Working Dogs. First Touchstone hardcover edition. Simon & Schuster, 2013.
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