Gregory I, P. (1509). In septem psalmos penitentiales explanatio. Theod. Martinus Alost.
Chicagoスタイル(17版)引用形式Gregory I, Pope. In Septem Psalmos Penitentiales Explanatio. Antwerpen: Theod. Martinus Alost, 1509.
MLA(8版)引用形式Gregory I, Pope. In Septem Psalmos Penitentiales Explanatio. Theod. Martinus Alost, 1509.
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