| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The "Complete Guide" to CONSULTING ENGINEERING: How to Start & Manage an Outstanding CONSULTING ENGINEERING PRACTICE | 978-0-9905120-0-4 (0-9905120-0-2) | 2015 | Jera |
| The "Outline Guide" to CONSULTING ENGINEERING: How to Start & Manage an Outstanding CONSULTING ENGINEERING PRACTICE | 978-0-9905120-2-8 (0-9905120-2-9) | 2015 | |
D. G. · J.D. · J. G. · J. Gaskell · John D. · John G. · John Gaskell