APA-viite (7. p.)
Heck, P. L. (2009). Common ground: Islam, Christianity, and religious pluralism. Georgetown University Press.
Chicago-viite (17. p.)
Heck, Paul L. Common Ground: Islam, Christianity, and Religious Pluralism. Washington, D.C.: Georgetown University Press, 2009.
MLA-viite (9. p.)
Heck, Paul L. Common Ground: Islam, Christianity, and Religious Pluralism. Georgetown University Press, 2009.
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