Washington (State). Department of Transportation. (1996). Heritage in the making: Washington's coastal highways. The Dept..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWashington (State). Department of Transportation. Heritage in the Making: Washington's Coastal Highways. [Olympia, Wash.: The Dept., 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWashington (State). Department of Transportation. Heritage in the Making: Washington's Coastal Highways. The Dept., 1996.
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