| title | ISBN-13 (ISBN-10)  | year of publica- tion  | other author(s) | 
|---|---|---|---|
| Six Sigma for Financial Services: How Leading Companies Are Driving Results Using Lean, Six Sigma, and Process Management | 978-0-07-147037-7 (0-07-147037-9)  | 2006 | Michael Nichols | 
| What is Six Sigma Process Management? | 978-0-07-145341-7 (0-07-145341-5)  | 2005 | |