Donlan, J. C. (2015). Proactive strategies for protecting species: Pre-listing conservation and the Endangered Species Act. University of California Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDonlan, Josh C. Proactive Strategies for Protecting Species: Pre-listing Conservation and the Endangered Species Act. Oakland, California: University of California Press, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDonlan, Josh C. Proactive Strategies for Protecting Species: Pre-listing Conservation and the Endangered Species Act. University of California Press, 2015.
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