| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Las relaciones personales, clave de la salud | 978-84-86344-41-2 (84-86344-41-7) | 1988 | Bárbara Powell |
| Overcoming Shyness | 978-0-07-050571-1 (0-07-050571-3) | 1981 | |
| Overcoming Shyness: Practical Scripts for Everyday Encounters | 978-0-07-050570-4 (0-07-050570-5) | 1979 | |
Barbara Paul · Barbara Pauley · Barbara Pauli · Barbara Paull · Barbara Piel · Barbara Pöll · Barbara Poelle · Barbara Pohle · Barbara Poli · Barbara Polla · Barbara Poole · Barbara Schieffelin Powell