| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Knowledge-Based Audits of Not-For-Profit Organizations with Single Audits, 2009-2010 | 978-0-8080-2104-9 (0-8080-2104-4) | 2009 |
| Miller Not-For-Profit Organization Audits with Single Audits | 978-0-8080-8973-5 (0-8080-8973-0) | 2005 |
C.R. · C. W. · C. Warren · W R. · W. Ruppel · Warren R. · Warren Ruppel