Washington (State) & Thomas, M. J. (1939). The Thomas Code of public education, state of Washington, 1939. Lowman & Hanford company.
Cita Chicago Style (17a ed.)Washington (State) y Maurice J. Thomas. The Thomas Code of Public Education, State of Washington, 1939. Seattle, Wash.: Lowman & Hanford company, 1939.
Cita MLA (8a ed.)Washington (State) y Maurice J. Thomas. The Thomas Code of Public Education, State of Washington, 1939. Lowman & Hanford company, 1939.
Precaución: Estas citas no son 100% exactas.