Fagan, B. M. (1983). People of the earth: An introduction to world prehistory (4th ed.). Little, Brown.
Chicago-čujuhus (17. p.)Fagan, Brian M. People of the Earth: An Introduction to World Prehistory. 4th ed. Boston: Little, Brown, 1983.
MLA-čujuhus (9. p.)Fagan, Brian M. People of the Earth: An Introduction to World Prehistory. 4th ed. Little, Brown, 1983.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.