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Dyfyniad Arddull ChicagoCarrithers,Michael. Why Humans Have Cultures: Explaining Anthropology and Social Diversity. Oxford: Oxford University, 1992.
Dyfyniad MLACarrithers,Michael. Why Humans Have Cultures: Explaining Anthropology and Social Diversity. Oxford University, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.