Bicol River Basin Development Program. (1982). Five-year development plan, 1983-1987. The Program.
芝加哥风格引文Bicol River Basin Development Program. Five-year Development Plan, 1983-1987. Camarines Sur: The Program, 1982.
MLA引文Bicol River Basin Development Program. Five-year Development Plan, 1983-1987. The Program, 1982.
警告：这些引文格式不一定是100％准确.