| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2018 | 978-1-7325926-0-5 | Council for Six Sigma Certification · Craig Joseph Setter | Six Sigma: A Complete Step-by-Step Guide: A Complete Training & Reference Guide for White Belts, Yellow Belts, Green Belts, and Black Belts |
| '' | 978-1-7325926-5-0 | '' | Six Sigma: A Complete Step-by-Step Guide: A Complete Training & Reference Guide for White Belts, Yellow Belts, Green Belts, and Black Belts |