American Council of Learned Societies, ebrary, Inc, Greenberg, D., & Katz, S. N. (1994). The life of learning: The Charles Homer Haskins lectures of the American Council of Learned Societies. Oxford University Press.
Citace podle Chicago (17th ed.)American Council of Learned Societies, Inc ebrary, Douglas Greenberg, a Stanley Nider Katz. The Life of Learning: The Charles Homer Haskins Lectures of the American Council of Learned Societies. New York: Oxford University Press, 1994.
Citace podle MLA (9th ed.)American Council of Learned Societies, et al. The Life of Learning: The Charles Homer Haskins Lectures of the American Council of Learned Societies. Oxford University Press, 1994.
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