Allen, J. L., Jr. (2004). Common ground in a global key: International lessons in Catholic dialogue. National Pastoral Life Center.
Chicago-referens (17:e uppl.)Allen, John L., Jr. Common Ground in a Global Key: International Lessons in Catholic Dialogue. New York: National Pastoral Life Center, 2004.
MLA-referens (8:e uppl.)Allen, John L., Jr. Common Ground in a Global Key: International Lessons in Catholic Dialogue. National Pastoral Life Center, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.