APA-čujuhus (7. p.)

Clark, G. (1969). World prehistory: A new outline (2nd ed.). C.U. Pr..

Chicago-čujuhus (17. p.)

Clark, Grahame. World Prehistory: A New Outline. 2nd ed. Cambridge: C.U. Pr., 1969.

MLA-čujuhus (9. p.)

Clark, Grahame. World Prehistory: A New Outline. 2nd ed. C.U. Pr., 1969.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.