United Nations. Dept. of Social Affairs. (1949). Housing and town and country planning organization. s.n.
Chicago Style aipamenaUnited Nations. Dept. of Social Affairs. Housing and Town and Country Planning Organization. Lake Success: s.n, 1949.
MLA aipamenaUnited Nations. Dept. of Social Affairs. Housing and Town and Country Planning Organization. s.n, 1949.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.