APA-čujuhus (7. p.)

Clark, G. (1961). World prehistory: In new perspective (3rd ed.). C.U. Pr..

Chicago-čujuhus (17. p.)

Clark, Grahame. World Prehistory: In New Perspective. 3rd ed. Cambridge: C.U. Pr., 1961.

MLA-čujuhus (9. p.)

Clark, Grahame. World Prehistory: In New Perspective. 3rd ed. C.U. Pr., 1961.

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