Pearce,. (1965). An Outline history of civilization. (2nd ed.). O.U.Pr.
Chicago-čujuhus (17. p.)Pearce. An Outline History of Civilization. 2nd ed. Delhi,: O.U.Pr, 1965.
MLA-čujuhus (9. p.)Pearce. An Outline History of Civilization. 2nd ed. O.U.Pr, 1965.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.