| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Jump Into Janitorial: How to Build a Cleaning Business Netting Over Six Figures a Year. | 978-1-4184-4490-7 (1-4184-4490-1) | 2004 |
| Jump Into Janitorial: How to build a cleaning business netting over six figures a year. | 978-1-4184-4492-1 (1-4184-4492-8) | 2004 |