| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Italy and Switzerland: Pt. 8: Part 8 | 978-O-85259-554-1 (O-85259-554-9) | 2003 |
6th Edition Berger · 6th Edition Cox · 6th Edition Engler · 6th Edition Frank · 6th Edition Gilbert · 6th Edition Goldstein · 6th Edition Hilton · 6th Edition Jennings · 6th Edition Keller and Warrack · 6th Edition Levy · 6th Edition Matlin · 6th Edition McBurney and White · 6th Edition Morris and Maisto · 6th Edition Myers · 6th Edition Publication Manual of the American Psychological Association · 6th Edition Salkind · 6th Edition Samaha · 6th Edition Varian · 6th Edition Yarbrough and Yarbrough · Goldenberg 6th Edition Goldenberg