R. M. ยท Richard M.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Which Oil? - Choosing the right oils & greases for your antique, vintage, veteran, classic or collector car | 978-1-84584-627-5 (1-84584-627-3) | |
| Which Oil?: Choosing the right oils & greases for your vintage, antique, classic or collector car | 978-1-84584-365-6 (1-84584-365-7) | 2011 |