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-referens (17:e uppl.)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-referens (8:e uppl.)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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.