Massachusetts State Planning Board (Massachusetts). (1940). Survey of Boston Metropolitan district and adjacent areas: WPA prjects 18151: Survey of governmental units. State Planning Board.
Cita Chicago Style (17a ed.)Massachusetts State Planning Board (Massachusetts). Survey of Boston Metropolitan District and Adjacent Areas: WPA Prjects 18151: Survey of Governmental Units. Boston: State Planning Board, 1940.
Cita MLA (9a ed.)Massachusetts State Planning Board (Massachusetts). Survey of Boston Metropolitan District and Adjacent Areas: WPA Prjects 18151: Survey of Governmental Units. State Planning Board, 1940.
Precaución: Estas citas no son 100% exactas.