KIDDER, R. (2005). HOW GOOD PEOPLE MAKE TOUGH CHOICES. harper.
Cita Chicago (17th ed.)KIDDER, R.M. HOW GOOD PEOPLE MAKE TOUGH CHOICES. new york: harper, 2005.
Cita MLA (9th ed.)KIDDER, R.M. HOW GOOD PEOPLE MAKE TOUGH CHOICES. harper, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.