Ballard, J. F. (1938). DEMONSTRATION OF MANUSCRIPTS AND PRINTED BOOKS OF THE LATE MIDDLE AGES AND THE EARLY RENAISSANCE.
Chicago-tyylinen lähdeviittausBallard, James F. DEMONSTRATION OF MANUSCRIPTS AND PRINTED BOOKS OF THE LATE MIDDLE AGES AND THE EARLY RENAISSANCE. 1938.
MLA-viiteBallard, James F. DEMONSTRATION OF MANUSCRIPTS AND PRINTED BOOKS OF THE LATE MIDDLE AGES AND THE EARLY RENAISSANCE. 1938.
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