Science Research Associates · TEA Ediciones
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| PPG-IPG, Perfil e Inventario de Personalidad | 978-84-15262-00-8 (84-15262-00-0) | 2011 |
| The measurement of interpersonal values | 978-0-574-72764-0 (0-574-72764-7) | 1975 |
L. G · L Gordon · Leonard G. · Leonard Gordon · V. Gordon