Schonberger, R. J. (1991). Operations management: Improving customer service (4th.). Irwin.
芝加哥风格引文Schonberger, Richard J. Operations Management: Improving Customer Service. 4th. Homewood: Irwin, 1991.
MLA引文Schonberger, Richard J. Operations Management: Improving Customer Service. 4th. Irwin, 1991.
警告：这些引文格式不一定是100％准确.