Castaldo, N. F. (2014). Sniffer dogs: How dogs (and their noses) save the world. Houghton Mifflin Harcourt.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCastaldo, Nancy F. Sniffer Dogs: How Dogs (and Their Noses) Save the World. Boston: Houghton Mifflin Harcourt, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCastaldo, Nancy F. Sniffer Dogs: How Dogs (and Their Noses) Save the World. Houghton Mifflin Harcourt, 2014.
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