Blumenthal, U. (1998). Papal reform and canon law in the 11th and 12th centuries Variorum collected studies series.
Cita Chicago Style (17a ed.)Blumenthal, Uta-Renate. "Papal Reform and Canon Law in the 11th and 12th Centuries." Variorum Collected Studies Series 1998.
Cita MLA (9a ed.)Blumenthal, Uta-Renate. "Papal Reform and Canon Law in the 11th and 12th Centuries." Variorum Collected Studies Series, 1998.
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