Tohutoro APA (7th ed.)
Emerton, E. (1990). The correspondence of Pope Gregory VII: Selected letters from the registrum. Columbia Univ..
Tohutoru Kātū Chicago (17th ed.)
Emerton, Ephraim. The Correspondence of Pope Gregory VII: Selected Letters from the Registrum. New York: Columbia Univ., 1990.
Tohutoro MLA (9th ed.)
Emerton, Ephraim. The Correspondence of Pope Gregory VII: Selected Letters from the Registrum. Columbia Univ., 1990.
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