Washington (State). (1989). The Constitution of the State of Washington, as amended. 1989 Washington Centennial Commission.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWashington (State). The Constitution of the State of Washington, as Amended. Olympia, Wash.: 1989 Washington Centennial Commission, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWashington (State). The Constitution of the State of Washington, as Amended. 1989 Washington Centennial Commission, 1989.
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