Campbell, S. (2014). A nun on the bus: How all of us can create hope, change, and community. HarperOne.
Chicago-referens (17:e uppl.)Campbell, Simone. A Nun on the Bus: How All of Us Can Create Hope, Change, and Community. New York: HarperOne, 2014.
MLA-referens (8:e uppl.)Campbell, Simone. A Nun on the Bus: How All of Us Can Create Hope, Change, and Community. HarperOne, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.