Pearce,. (1965). An Outline history of civilization. (2nd ed.). O.U.Pr.
Dyfyniad Arddull ChicagoPearce. An Outline History of Civilization. 2nd ed. Delhi,: O.U.Pr, 1965.
Dyfyniad MLAPearce. An Outline History of Civilization. 2nd ed. O.U.Pr, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.