| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Il bambino timido. Comprendere e aiutare a superare le difficoltà personali | 978-88-6137-242-9 (88-6137-242-2) | 2008 | Philip G. Zimbardo |
| The Shy Child: A Parent's Guide to Preventing and Overcoming Shyness from Infancy to Adulthood | 978-0-07-072827-1 (0-07-072827-5) | 1984 | " |
| The Shy Child: Overcoming and Preventing Shyness from Infancy to Adulthood | 978-1-883536-21-3 (1-883536-21-9) | 1999 | " |
L. R. · S. L. · S R · Shirley L. Radl Philip G. Zimbardo · Shirley Radl
Erickson · Hoopoe Books · Malor Books · Ishk Book Service · McGraw-Hill