Washington State Association of Counties, Washington Association of County Officials, Washington State Association of County Officials, & Municipal Research and Services Center of Washington. (1970). Directory of county officials in Washington State. Washington State Association of County Officials.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWashington State Association of Counties, Washington Association of County Officials, Washington State Association of County Officials, और Municipal Research and Services Center of Washington. Directory of County Officials in Washington State. Olympia, Wash.: Washington State Association of County Officials, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWashington State Association of Counties, et al. Directory of County Officials in Washington State. Washington State Association of County Officials, 1970.