List. Hunting, Fishing, and Environmental Virtue. Oregon State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रList. Hunting, Fishing, and Environmental Virtue. Oregon State University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रList. Hunting, Fishing, and Environmental Virtue. Oregon State University Press.
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