Northwest Environment Watch (Organization). (2004). Cascadia scorecard: Seven key trends shaping the Northwest. Northwest Environment Watch.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNorthwest Environment Watch (Organization). Cascadia Scorecard: Seven Key Trends Shaping the Northwest. Seattle, Wash.: Northwest Environment Watch, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNorthwest Environment Watch (Organization). Cascadia Scorecard: Seven Key Trends Shaping the Northwest. Northwest Environment Watch, 2004.
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