Clark, G. (1992). Space, time and man: A prehistorian's view. CUP.
Chicago-čujuhus (17. p.)Clark, Grahame. Space, Time and Man: A Prehistorian's View. New York: CUP, 1992.
MLA-čujuhus (9. p.)Clark, Grahame. Space, Time and Man: A Prehistorian's View. CUP, 1992.
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