J R · Jack Rychik · Jacky Rigaux · Jos Rausis
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Guide to HVAC/R Certification and Competency Tests | 978-0-13-010694-0 | 2000 | Robert Featherstone |
| Guide to NATE/ICE Certification Exams | 978-0-13-231970-6 | 2009 | " |
| Guide to the HVAC/R Certification and Competency Tests | 978-0-13-114949-6 | 2004 | " |
| Guide to the ICE Certification Exam | 978-0-13-239456-7 | 2008 | " |