| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Project Management Professional Certification Preparation | 978-1-4246-0094-6 (1-4246-0094-4) | 2007 | Sean Boyle · Denise Delaney · Bethany Snyder |
| Project Management Professional Certification Preparation | 978-1-4246-0089-2 (1-4246-0089-8) | 2006 | Sean Boyle · Denise Delaney · Bethany Snyder |