| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Audel Questions and Answers for Plumbers' Examinations | 978-0-7645-6998-2 (0-7645-6998-8) | 2004 | Rex Miller · Mark Richard Miller |
| Audel Questions and Answers for Plumbers' Examinations | 978-0-02-593510-5 (0-02-593510-0) | 1991 | |