Não informado. (2001). American planning and civic annual. American Planning and Civic Association.
Chicago-referens (17:e uppl.)Não informado. American Planning and Civic Annual. Washington: American Planning and Civic Association, 2001.
MLA-referens (8:e uppl.)Não informado. American Planning and Civic Annual. American Planning and Civic Association, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.