Παραπομπή σε μορφή APA (7η εκδ.)

Campbell, D. E. (2007). A Matter of faith: Religion in the 2004 presidential election. Brookings Institution Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Campbell, David E. A Matter of Faith: Religion in the 2004 Presidential Election. Washington, D.C: Brookings Institution Press, 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

Campbell, David E. A Matter of Faith: Religion in the 2004 Presidential Election. Brookings Institution Press, 2007.