Herzstein, . R. E. (1975). Western civilization. Houghton Mifflin.
Chicago-čujuhus (17. p.)Herzstein, Robert Edwin. Western Civilization. Boston: Houghton Mifflin, 1975.
MLA-čujuhus (9. p.)Herzstein, Robert Edwin. Western Civilization. Houghton Mifflin, 1975.
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