Philippines. National Productivity Commission. (1983). Papers on Philippine productivity. National Productivity Commission.
芝加哥风格引文Philippines. National Productivity Commission. Papers on Philippine Productivity. Makati, Metro Manila: National Productivity Commission, 1983.
MLA引文Philippines. National Productivity Commission. Papers on Philippine Productivity. National Productivity Commission, 1983.
警告：这些引文格式不一定是100％准确.