Philippines. Department of Public Works, Transportation and Communications, & Planning and Project Development Office. (1976). Samar Integrated Area Development Project. PPDO.
芝加哥风格引文Philippines. Department of Public Works, Transportation and Communications, 与 Planning and Project Development Office. Samar Integrated Area Development Project. [Manila]: PPDO, 1976.
MLA引文Philippines. Department of Public Works, Transportation and Communications, 与 Planning and Project Development Office. Samar Integrated Area Development Project. PPDO, 1976.
警告：这些引文格式不一定是100％准确.