Echard, S. (2008). Printing the Middle Ages. PENN/University of Pennsylvania Press.
Tohutoru Kātū Chicago (17th ed.)Echard, Siân. Printing the Middle Ages. Philadelphia: PENN/University of Pennsylvania Press, 2008.
Tohutoro MLA (9th ed.)Echard, Siân. Printing the Middle Ages. PENN/University of Pennsylvania Press, 2008.
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