National Conference on City Planning, 1st, Washington, 1909. (1974). City planning. Arno Press.
Chicago-referens (17:e uppl.)National Conference on City Planning, 1st, Washington, 1909. City Planning. New York: Arno Press, 1974.
MLA-referens (9:e uppl.)National Conference on City Planning, 1st, Washington, 1909. City Planning. Arno Press, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.