Não informado. (2004). Ethnological survey publications, Phillipine Islands. Bureau of Printing.
Style de citation Chicago (17e éd.)Não informado. Ethnological Survey Publications, Phillipine Islands. Manila: Bureau of Printing, 2004.
Style de citation MLA (8e éd.)Não informado. Ethnological Survey Publications, Phillipine Islands. Bureau of Printing, 2004.
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