ebrary, Inc, Gordon, M. S., & Bartol, S. M. (2004). Experimental approaches to conservation biology. University of California Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, Malcolm S. Gordon, और Soraya M. Bartol. Experimental Approaches to Conservation Biology. Berkeley, Calif. ; London: University of California Press, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, et al. Experimental Approaches to Conservation Biology. University of California Press, 2004.
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