Wei. Gratian the Theologian. The Catholic University of America Press.
Chicago-čujuhus (17. p.)Wei. Gratian the Theologian. The Catholic University of America Press.
MLA-čujuhus (9. p.)Wei. Gratian the Theologian. The Catholic University of America Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.