Washington (State). Office of the Secretary of State. (1940). Industrial map of the state of Washington. Belle Reeves, Secretary of State?.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWashington (State). Office of the Secretary of State. Industrial Map of the State of Washington. [Olympia, Wash.?: Belle Reeves, Secretary of State?, 1940.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWashington (State). Office of the Secretary of State. Industrial Map of the State of Washington. Belle Reeves, Secretary of State?, 1940.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.