United Nations. Dept. of Economic and Social Affairs. (1967). Planning of metropolitan areas and new towns. s.n.
Chicago-referens (17:e uppl.)United Nations. Dept. of Economic and Social Affairs. Planning of Metropolitan Areas and New Towns. New York: s.n, 1967.
MLA-referens (9:e uppl.)United Nations. Dept. of Economic and Social Affairs. Planning of Metropolitan Areas and New Towns. s.n, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.