Não informado. (2004). Ethnological survey publications, Phillipine Islands. Bureau of Printing.
Cita Chicago Style (17a ed.)Não informado. Ethnological Survey Publications, Phillipine Islands. Manila: Bureau of Printing, 2004.
Cita MLA (8a ed.)Não informado. Ethnological Survey Publications, Phillipine Islands. Bureau of Printing, 2004.
Precaución: Estas citas no son 100% exactas.