APA-viite (7. p.)
ebrary, Inc, & Campbell, D. E. (2007). A matter of faith: Religion in the 2004 presidential election. Brookings Institution Press.
Chicago-viite (17. p.)
ebrary, Inc, ja David E. Campbell. A Matter of Faith: Religion in the 2004 Presidential Election. Washington, D.C.: Brookings Institution Press, 2007.
MLA-viite (9. p.)
ebrary, Inc, ja David E. Campbell. A Matter of Faith: Religion in the 2004 Presidential Election. Brookings Institution Press, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.