Aft, L. S. (1983). Productivity measurement and improvement. Reston.
芝加哥风格引文Aft, Lawrence S. Productivity Measurement and Improvement. Reston, Va: Reston, 1983.
MLA引文Aft, Lawrence S. Productivity Measurement and Improvement. Reston, 1983.
警告：这些引文格式不一定是100％准确.