United Nations. Dept. of Social Affairs. (1949). Housing and town and country planning organization. s.n.
Chicago-viite (17. p.)United Nations. Dept. of Social Affairs. Housing and Town and Country Planning Organization. Lake Success: s.n, 1949.
MLA-viite (9. p.)United Nations. Dept. of Social Affairs. Housing and Town and Country Planning Organization. s.n, 1949.
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