Deuel, T. (1971). The human factor in the behavior of peoples. Illinois State Museum.
Chicago-viite (17. p.)Deuel, Thorne. The Human Factor in the Behavior of Peoples. Springfield, Ill: Illinois State Museum, 1971.
MLA-viite (9. p.)Deuel, Thorne. The Human Factor in the Behavior of Peoples. Illinois State Museum, 1971.
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