APA-viite (7. p.)
Penn, M. P. (2005). Kissing Christians: Ritual and community in the late ancient church. University of Pennsylvania Press.
Chicago-viite (17. p.)
Penn, Michael Philip. Kissing Christians: Ritual and Community in the Late Ancient Church. Philadelphia: University of Pennsylvania Press, 2005.
MLA-viite (9. p.)
Penn, Michael Philip. Kissing Christians: Ritual and Community in the Late Ancient Church. University of Pennsylvania Press, 2005.
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