APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Kramer, R. A., Schaik, C. v., & Johnson, J. (1997). Last stand: Protected areas and the defense of tropical biodiversity. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Randall A. Kramer, Carel van Schaik, और Julie Johnson. Last Stand: Protected Areas and the Defense of Tropical Biodiversity. New York: Oxford University Press, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Last Stand: Protected Areas and the Defense of Tropical Biodiversity. Oxford University Press, 1997.
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