O'Malley, J. W. (1968). Giles of Viterbo on church and reform: A study in Renaissance thought. E.J. Brill.
Chicago Style (17. basım) AtıfO'Malley, John W. Giles of Viterbo on Church and Reform: A Study in Renaissance Thought. Leiden: E.J. Brill, 1968.
MLA (8th ed.) AtıfO'Malley, John W. Giles of Viterbo on Church and Reform: A Study in Renaissance Thought. E.J. Brill, 1968.
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