Evans, J. (2007). An Introduction to six sigma and process improvement. Thomson Learning.
芝加哥风格引文Evans, James. An Introduction to Six Sigma and Process Improvement. New Delhi: Thomson Learning, 2007.
MLA引文Evans, James. An Introduction to Six Sigma and Process Improvement. Thomson Learning, 2007.
警告：这些引文格式不一定是100％准确.