| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| PHR Exam Flashcard Study System: PHR Test Practice Questions & Review for the Professional in Human Resources Certification Exams | 978-1-61072-507-1 (1-61072-507-7) | 2013 |
| PHR Exam Practice Questions: PHR Practice Tests & Review for the Professional in Human Resources Certification Exams | 978-1-62733-215-6 (1-62733-215-4) | 2013 |
| PHR Exam Secrets Study Guide: PHR Test Review for the Professional in Human Resources Certification Exams | 978-1-61072-506-4 (1-61072-506-9) | 2013 |