Kahler, E. (1964). The meaning of history. New York: G. Braziller.
Trích dẫn kiểu ChicagoKahler, Erich. The Meaning of History. New York: G. Braziller, 1964.
MLA CitationKahler, Erich. The Meaning of History. New York: G. Braziller, 1964.
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