- Author: John F. Dovidio, Jane Allyn Piliavin, David A. Schroeder, Louis A. Penner
- Language: English
- Year: 2006
- Author: John F Dovidio Jane Allyn Piliavin David A. Schroeder and Louis A. Penner
- Language: English
- Year: 2006
Psychology
pdf
- Author: Douglas A. Bernstein Louis A. Penner Alison Clarke-Stewart Edward J. Roy
- Language: English
- Year: 2012
- Author: Douglas Bernstein Louis A. Penner Alison Clarke-Stewart Edward J. Roy
- Language: English
- Year: 2007
- Author: Douglas A. Bernstein Louis A. Penner Alison Clarke-Stewart Edward Roy
- Language: English
- Year: 2007