United States. Center for Design Excellence and the Arts. (2002). Vision + voice. U.S. General Services Administration, Public Buildings Service, Office of the Chief Architect, Center for Design Excellence and the Arts.
Chicago-viite (17. p.)United States. Center for Design Excellence and the Arts. Vision + Voice. Washington, DC: U.S. General Services Administration, Public Buildings Service, Office of the Chief Architect, Center for Design Excellence and the Arts, 2002.
MLA-viite (8. p.)United States. Center for Design Excellence and the Arts. Vision + Voice. U.S. General Services Administration, Public Buildings Service, Office of the Chief Architect, Center for Design Excellence and the Arts, 2002.
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