| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Small Gas Engines: Fundamentals, Service, Troubleshooting, Repair, Applications | 978-1-59070-183-6 (1-59070-183-6) | 2003 |
| Small Gas Engines: Fundamentals, Service, Troubleshooting, Repair, Applications | 978-1-56637-574-0 (1-56637-574-6) | 1999 |
A.C. · A. R. · A. Roth · Alfred Roth · C.R. · C. Roth