| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| CQA Exam Flashcard Study System: CQA Test Practice Questions and Review for the Certified Quality Auditor Exam | 978-1-5167-1015-7 (1-5167-1015-0) | 2019 |
| CQA Exam Secrets Study Guide: CQA Test Review for the Certified Quality Auditor Exam | 978-1-5167-1014-0 (1-5167-1014-2) | 2019 |