Tavard, G. H. (1996). Trina deitas: The controversy between Hincmar and Gottschalk. Marquette University Press.
Tohutoru Kātū Chicago (17th ed.)Tavard, George H. Trina Deitas: The Controversy Between Hincmar and Gottschalk. Milwaukee: Marquette University Press, 1996.
Tohutoro MLA (9th ed.)Tavard, George H. Trina Deitas: The Controversy Between Hincmar and Gottschalk. Marquette University Press, 1996.
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