Lua APA (7ú heag.)
Stroll, M. (2012). Popes and antipopes: The politics of eleventh century church reform. Brill.
Lua i Stíl Chicago (17ú heag.)
Stroll, Mary. Popes and Antipopes: The Politics of Eleventh Century Church Reform. Leiden ; Boston: Brill, 2012.
Lua MLA (9ú heag.)
Stroll, Mary. Popes and Antipopes: The Politics of Eleventh Century Church Reform. Brill, 2012.
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