Six Sigma Handbook

McGraw Hill

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

The Council for Six Sigma Certification

Six Sigma: A Complete Step-by-Step Guide: A Complete Training & Reference Guide for White Belts, Yellow Belts, Green Belts, and Black Belts

The Certified Six Sigma Green Belt Handbook + ASQ CSSGB Study Guide (Set)

American Society for Quality

The ASQ Certified Six Sigma Black Belt Handbook, Fourth Edition

McGraw-Hill Education

The Six Sigma Handbook, 5E                      

Independently published

Lean Six Sigma - Green Belt Handbook            

ASQ

The Certified Six Sigma Green Belt Handbook, 2nd Edition (With 2 CD-ROMs)

McGraw-Hill Education

The Six Sigma Handbook, Third Edition            

Picsie Books

The Lean Toolbox 5th Edition [Lingua inglese]: A Handbook for Lean Transformation

McGraw Hill

The Six Sigma Handbook, Fourth Edition (English Edition)