University of Washington. Bureau of Governmental Research and Services. (1959). Twenty-five years of governmental research and service: A history of the Bureau of Governmental Research and Services at the University of Washington. Distributed by University of Washington Press.
Lua i Stíl Chicago (17ú heag.)University of Washington. Bureau of Governmental Research and Services. Twenty-five Years of Governmental Research and Service: A History of the Bureau of Governmental Research and Services at the University of Washington. Seattle: Distributed by University of Washington Press, 1959.
Lua MLA (8ú heag.)University of Washington. Bureau of Governmental Research and Services. Twenty-five Years of Governmental Research and Service: A History of the Bureau of Governmental Research and Services at the University of Washington. Distributed by University of Washington Press, 1959.