Prokopenko, J. (1987). Productivity management: A practical handbook. International Labour Office.
芝加哥风格引文Prokopenko, Joseph. Productivity Management: A Practical Handbook. Geneva: International Labour Office, 1987.
MLA引文Prokopenko, Joseph. Productivity Management: A Practical Handbook. International Labour Office, 1987.
警告：这些引文格式不一定是100％准确.