Engel, F. A., & Gordon, R. K. (1976). An ancient world preserved: Relics and records of prehistory in the Andes (Revised and updated.). Crown Publishers.
Dyfyniad Arddull ChicagoEngel, Frédéric André, and Rachel Kendall Gordon. An Ancient World Preserved: Relics and Records of Prehistory in the Andes. Revised and updated. New York: Crown Publishers, 1976.
Dyfyniad MLAEngel, Frédéric André, and Rachel Kendall Gordon. An Ancient World Preserved: Relics and Records of Prehistory in the Andes. Revised and updated. Crown Publishers, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.