Lang, W. L., & Carriker, R. C. (1999). Great river of the West: Essays on the Columbia River. University of Washington Press in association with the Center for Columbia River History.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lang, William L., و Robert C. Carriker. Great River of the West: Essays on the Columbia River. Seattle: University of Washington Press in association with the Center for Columbia River History, 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lang, William L., و Robert C. Carriker. Great River of the West: Essays on the Columbia River. University of Washington Press in association with the Center for Columbia River History, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.