Pyzdek, T., & Keller, P. (2014). The Six Sigma handbook: [a complete guide for green belts, black belts, and managers at all levels] (4. ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationPyzdek, Thomas, and Paul Keller. The Six Sigma Handbook: [a Complete Guide for Green Belts, Black Belts, and Managers at All Levels]. 4. ed. New York, NY [u.a.]: McGraw-Hill, 2014.
MLA (9th ed.) CitationPyzdek, Thomas, and Paul Keller. The Six Sigma Handbook: [a Complete Guide for Green Belts, Black Belts, and Managers at All Levels]. 4. ed. McGraw-Hill, 2014.
Warning: These citations may not always be 100% accurate.