| GMD | Text |
| Language | Eng |
| Classification | 808.06615 P249 |
| Publisher | New York, HarperCollins College, c1993 |
| Subject | Psychology -- Research -- Methology.Psychology -- Study and teaching (Higher). |
| Topic | Psychology |
| Description | 129 p. : ill. ; 24 cm. |
| ISBN | 9780065017984 |