| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Worth It ... Not Worth It?: Simple & Profitable Answers to Life's Tough Financial Questions | Hardcover | 978-1-4555-0844-0 (1-4555-0844-6) | 2012 |
| Worth It ... Not Worth It?: Simple & Profitable Answers to Life's Tough Financial Questions | Vorbespielter Audioplayer | 978-1-61969-356-2 (1-61969-356-9) | 2012 |