Straw, C. E. (1988). Gregory the Great: Perfection in imperfection. University of California Press.
Chicago-čujuhus (17. p.)Straw, Carole Ellen. Gregory the Great: Perfection in Imperfection. Berkeley: University of California Press, 1988.
MLA-čujuhus (9. p.)Straw, Carole Ellen. Gregory the Great: Perfection in Imperfection. University of California Press, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.