Piggott Stuart, Aldred Cyril, Bushnell, G., Christie Anthony, Clark Grahame, Culican William, . . . Wheeler Sir Mortimer. (1961). The dawn of civilization: The first world survey of human cultures in early time. McGraw-Hill.
Dyfyniad Arddull ChicagoPiggott Stuart, et al. The Dawn of Civilization: The First World Survey of Human Cultures in Early Time. New York: McGraw-Hill, 1961.
Dyfyniad MLAPiggott Stuart, et al. The Dawn of Civilization: The First World Survey of Human Cultures in Early Time. McGraw-Hill, 1961.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.