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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCrowley, Walt, और 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCrowley, Walt, और 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.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.