| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| IT Project+ Study Guide, 2nd Edition | 978-0-7821-4318-8 (0-7821-4318-0) | 2004 | William Heldman · Lona Cram PMP · Sybex |
| Project+ Study Guide | 978-0-7821-4408-6 (0-7821-4408-X) | 2004 | William Heldman |
L. C. · Lana Cheramy · Len Charney · Len Crane · Len Crome · Lena Corwin · Leon Charney · Liam Carney · Lona Cram PMP · Lona Cram William Heldman · Lyn Corno · Lynn Cherny