United States. Dept. of Housing and Urban Development. Office of International Affairs. (1974). Major airports and their effects on regional planning. s.n.
Chicago Style (17th ed.) CitationUnited States. Dept. of Housing and Urban Development. Office of International Affairs. Major Airports and Their Effects on Regional Planning. Washington: s.n, 1974.
MLA引文United States. Dept. of Housing and Urban Development. Office of International Affairs. Major Airports and Their Effects on Regional Planning. s.n, 1974.
警告：這些引文格式不一定是100％准確.