Six Sigma Handbook : A Complete Guide for Green Belts, Black Belts, and Managers at All Levels, Third Edition /

av Pyzdek, Thomas,, Keller, Paul A.,
Publicerad 2010

Six Sigma for Managers, Second Edition (Briefcase Books Series) /

av Brue, Greg,
Publicerad 2015

Six Sigma Black Belt Handbook /

av McCarty, Thomas,, Daniels, Lorraine,, Bremer, Michael,, Gupta, Praveen,
Publicerad 2005