APA-čujuhus (7. p.)
Clark, G. (1961). World prehistory: An outline. University Press.
Chicago-čujuhus (17. p.)
Clark, Grahame. World Prehistory: An Outline. Cambridge: University Press, 1961.
MLA-čujuhus (9. p.)
Clark, Grahame. World Prehistory: An Outline. University Press, 1961.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.