Freemuth. Environmental Politics and Policy in the West, Third Edition. University Press of Colorado.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFreemuth. Environmental Politics and Policy in the West, Third Edition. University Press of Colorado.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFreemuth. Environmental Politics and Policy in the West, Third Edition. University Press of Colorado.
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