| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| CRT Exam Flashcard Study System: CRT Test Practice Questions & Review for the Certified Respiratory Therapist Exam | 978-1-60971-536-6 (1-60971-536-5) | 2013 |
| CRT Exam Secrets Study Guide: CRT Test Review for the Certified Respiratory Therapist Exam | 978-1-60971-535-9 (1-60971-535-7) | 2013 |