11
Clarke, Philippa
| The Gerontological Society of America |
2009
12
| Cambridge University Press:Harvard University Press |
1981
13
Durik, Amanda M.
| American Psychological Association |
2007
14
Dickau, Tim
| Cascade Books |
2011
16
Stipek, D.
| Elsevier Science Inc. |
2004
17
Read, Gardner
| Lawson-Gould Music Publishers, Inc. |
1955
19
Listen-Sink, Barbara
| Wingsound |
2005