APA-čujuhus (7. p.)
Ehrich, R. W. (1965). Chronologies in Old World archaeology. University of Chicago Press.
Chicago-čujuhus (17. p.)
Ehrich, Robert W. Chronologies in Old World Archaeology. Chicago: University of Chicago Press, 1965.
MLA-čujuhus (9. p.)
Ehrich, Robert W. Chronologies in Old World Archaeology. University of Chicago Press, 1965.
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