United States. Dept. of Housing and Urban Development. Office of International Affairs. (1974). Major airports and their effects on regional planning. s.n.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United States. Dept. of Housing and Urban Development. Office of International Affairs. Major Airports and Their Effects on Regional Planning. Washington: s.n, 1974.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)United States. Dept. of Housing and Urban Development. Office of International Affairs. Major Airports and Their Effects on Regional Planning. s.n, 1974.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.