Ozment Steven. (1980). The age of reform, 1250-1550: An intellectual and religious history of late medieval and reformation Europe. Yale University Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Ozment Steven. The Age of Reform, 1250-1550: An Intellectual and Religious History of Late Medieval and Reformation Europe. New Haven: Yale University Press, 1980.
MLA -ийн эшлэл (9 дэх хэвлэлт)Ozment Steven. The Age of Reform, 1250-1550: An Intellectual and Religious History of Late Medieval and Reformation Europe. Yale University Press, 1980.
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