Washington (State) & Thomas, M. J. (1939). The Thomas Code of public education, state of Washington, 1939. Lowman & Hanford company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWashington (State) और Maurice J. Thomas. The Thomas Code of Public Education, State of Washington, 1939. Seattle, Wash.: Lowman & Hanford company, 1939.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWashington (State) और Maurice J. Thomas. The Thomas Code of Public Education, State of Washington, 1939. Lowman & Hanford company, 1939.
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