Pyzdek, T., & Keller, P. A. The Six Sigma handbook: A complete guide for green belts, black belts, and managers at all levels (6th. ed.).
芝加哥风格引文Pyzdek, Thomas, 与 Paul A. Keller. The Six Sigma Handbook: A Complete Guide for Green Belts, Black Belts, and Managers at All Levels. 6th. ed.
MLA引文Pyzdek, Thomas, 与 Paul A. Keller. The Six Sigma Handbook: A Complete Guide for Green Belts, Black Belts, and Managers at All Levels. 6th. ed.
警告：这些引文格式不一定是100％准确.