WALLACE, R. L. (1983). Those who have vanished: An introduction to prehistory. Dorsey Pr..
Chicago-čujuhus (17. p.)WALLACE, Ronald L. Those Who Have Vanished: An Introduction to Prehistory. Homewood, Ill: Dorsey Pr., 1983.
MLA-čujuhus (9. p.)WALLACE, Ronald L. Those Who Have Vanished: An Introduction to Prehistory. Dorsey Pr., 1983.
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