Kelly, W. (1976). Pope Gregory II on divorce and remarriage: : a canonical-historical investigation of the letter "Desiderabilem mihi", with special reference to the response "Quod proposuisti". Università Gregoriana.
Cita Chicago Style (17a ed.)Kelly, William. Pope Gregory II on Divorce and Remarriage: : A Canonical-historical Investigation of the Letter "Desiderabilem Mihi", with Special Reference to the Response "Quod Proposuisti". Roma: Università Gregoriana, 1976.
Cita MLA (9a ed.)Kelly, William. Pope Gregory II on Divorce and Remarriage: : A Canonical-historical Investigation of the Letter "Desiderabilem Mihi", with Special Reference to the Response "Quod Proposuisti". Università Gregoriana, 1976.
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