Elton, G. (1967). The practice of history. Thomas Y.Cromwell Co..
Chicago-čujuhus (17. p.)Elton, G.R. The Practice of History. New York: Thomas Y.Cromwell Co., 1967.
MLA-čujuhus (9. p.)Elton, G.R. The Practice of History. Thomas Y.Cromwell Co., 1967.
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