Weston, C., & Wolfe, A. (2009). Animals on the edge: Reporting from the frontline of extinction. Thames & Hudson.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWeston, Christopher, और Art Wolfe. Animals on the Edge: Reporting from the Frontline of Extinction. New York: Thames & Hudson, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWeston, Christopher, और Art Wolfe. Animals on the Edge: Reporting from the Frontline of Extinction. Thames & Hudson, 2009.
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