| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Refactoring: Ruby Edition | 978-0-321-60350-0 (0-321-60350-8) | 2009 | Jay Fields · Martin Fowler · Kent Beck |
| Refactoring: Ruby Edition: Ruby Edition | 978-0-321-98413-5 (0-321-98413-7) | 2009 | Jay Fields · Martin Fowler · Kent Beck |
S H · Sam Harrop · Sean Harvey · Semia HARBAWI · Shona Harvie