P.F. · P. Forsyth · Peggy D. Forsyth
| title | ISBN-13 (ISBN-10)  | year of publica- tion  | other author(s) | 
|---|---|---|---|
| Understanding Children and Adolescents | 978-0-205-34527-4 (0-205-34527-1)  | 2005 | Judith A. Schichedanz · David I. Schickedanz | 
| Understanding Children and Adolescents: Examination Copy | 978-0-205-27341-6 (0-205-27341-6)  | 1997 | Judith A. Schickedanz · David I. Schickedanz |