Tierney, B. The crisis of church and state. University of Toronto Press in association with the Medieval Academy of.
Chicago-viite (17. p.)Tierney, Brian. The Crisis of Church and State. Toronto: University of Toronto Press in association with the Medieval Academy of.
MLA-viite (9. p.)Tierney, Brian. The Crisis of Church and State. University of Toronto Press in association with the Medieval Academy of.
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