Crowley, W., & Oldham, K. (2005). Moving Washington timeline: The first century of the Washington State Department of Transportation, 1905-2005. HistoryLink : Distributed by the University of Washington Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Crowley, Walt, و Kit Oldham. Moving Washington Timeline: The First Century of the Washington State Department of Transportation, 1905-2005. [Seattle, Wash.]: HistoryLink : Distributed by the University of Washington Press, 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Crowley, Walt, و Kit Oldham. Moving Washington Timeline: The First Century of the Washington State Department of Transportation, 1905-2005. HistoryLink : Distributed by the University of Washington Press, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.