APA-čujuhus (7. p.)
Martyn, J. R. C. (2009). Pope Gregory and the brides of Christ. Cambridge Scholars Pub..
Chicago-čujuhus (17. p.)
Martyn, John R. C. Pope Gregory and the Brides of Christ. Newcastle upon Tyne, U.K.: Cambridge Scholars Pub., 2009.
MLA-čujuhus (9. p.)
Martyn, John R. C. Pope Gregory and the Brides of Christ. Cambridge Scholars Pub., 2009.
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