Não informado. (1962). Ethnology. University of Pittsburgh, Department of Anthropology.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Ethnology. Pittsburgh, Pa: University of Pittsburgh, Department of Anthropology, 1962.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Ethnology. University of Pittsburgh, Department of Anthropology, 1962.
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