APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, & Hoogland, J. L. (2006). Conservation of the black-tailed prairie dog: Saving North America's western grasslands. Island Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और John L. Hoogland. Conservation of the Black-tailed Prairie Dog: Saving North America's Western Grasslands. Washington, DC: Island Press, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और John L. Hoogland. Conservation of the Black-tailed Prairie Dog: Saving North America's Western Grasslands. Island Press, 2006.
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