Tohutoro APA (7th ed.)
Greisley, R. (1832). The Life and pontificate of Gregory VII.
Tohutoru Kātū Chicago (17th ed.)
Greisley, Roger. The Life and Pontificate of Gregory VII. London, 1832.
Tohutoro MLA (9th ed.)
Greisley, Roger. The Life and Pontificate of Gregory VII. 1832.
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