Tietueen sitaatit
APA-viitePyzdek, T., & Keller, P. A. (2014). The Six Sigma handbook: [a complete guide for greeb belts, black belts, and managers at all levels] (Fourth edition.). McGraw-Hill Education.
Chicago-tyylinen lähdeviittausPyzdek, Thomas, ja Paul A. Keller. The Six Sigma Handbook: [a Complete Guide for Greeb Belts, Black Belts, and Managers at All Levels]. Fourth edition. New York, NY: McGraw-Hill Education, 2014.
MLA-viitePyzdek, Thomas, ja Paul A. Keller. The Six Sigma Handbook: [a Complete Guide for Greeb Belts, Black Belts, and Managers at All Levels]. Fourth edition. McGraw-Hill Education, 2014.
Harvard-tyylinen lähdeviittausPyzdek, T. & Keller, P. A. 2014. The Six Sigma handbook: [a complete guide for greeb belts, black belts, and managers at all levels]. Fourth edition. New York, NY: McGraw-Hill Education.