| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Solve Your Child's Sleep Problems | 978-1-4053-1967-6 (1-4053-1967-4) | 2006 |
| Solve Your Child's Sleep Problems | 978-1-86466-078-4 (1-86466-078-3) | 1999 |
D.F. · (D-R) · D Richard · R. F. · Richard F. · Richard Ferber