Philippines. Department of Public Works, Transportation and Communications. Planning and Project Development Office. (1974). Leyte Integrated Area Development: Interim report. The Office.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Philippines. Department of Public Works, Transportation and Communications. Planning and Project Development Office. Leyte Integrated Area Development: Interim Report. [Manila]: The Office, 1974.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Philippines. Department of Public Works, Transportation and Communications. Planning and Project Development Office. Leyte Integrated Area Development: Interim Report. The Office, 1974.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.