H.R. Schaffer · Professor H Rudolph Schaffer · R.S. · Rudolph Schaffer
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| Introducing Child Psychology | 978-0-631-21628-5 | 2003 |
| Key Concepts in Developmental Psychology | 978-0-7619-4346-4 | 2007 |
| Making Decisions About Children: Psychological Questions and Answers | 978-0-631-20259-2 | 1998 |
| Social Development: An Introduction | 978-0-631-18574-1 | 1996 |