Northwest Environment Watch (Organization). (2004). Cascadia scorecard: Seven key trends shaping the Northwest. Northwest Environment Watch.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Northwest Environment Watch (Organization). Cascadia Scorecard: Seven Key Trends Shaping the Northwest. Seattle, Wash.: Northwest Environment Watch, 2004.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Northwest Environment Watch (Organization). Cascadia Scorecard: Seven Key Trends Shaping the Northwest. Northwest Environment Watch, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.