Washington (State). Office of Financial Management. (1981). Washington State data book. Office of Financial Management.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWashington (State). Office of Financial Management. Washington State Data Book. Olympia, Wash.: Office of Financial Management, 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWashington (State). Office of Financial Management. Washington State Data Book. Office of Financial Management, 1981.
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