APA-referens (7:e uppl.)

Welborn, A. (2008). Pope Benedict XVI. Our Sunday Visitor.

Chicago-referens (17:e uppl.)

Welborn, Amy. Pope Benedict XVI. Huntington, IN: Our Sunday Visitor, 2008.

MLA-referens (8:e uppl.)

Welborn, Amy. Pope Benedict XVI. Our Sunday Visitor, 2008.