12
Egli, Trevor
| NASW Press |
2014
13
Egli, Trevor
| Christian Association for Psychological Studies, Inc. |
2014
14
George, Daniel R.
| The Gerontological Society of America |
2011
15
George, Daniel R.
| The Gerontological Society of America |
2011
16
George, Daniel R.
| The Gerontological Society of America |
2013
20
Johnston, George
| Cambridge University Press |
1966