Philippines. Mapping and Resource Information Authority. (1994). Province of Biliran (Ed. 1, November, 1994.). National Mapping and Resource Information Authority.
Style de citation Chicago (17e éd.)Philippines. Mapping and Resource Information Authority. Province of Biliran. Ed. 1, November, 1994. Makati, Metro Manila: National Mapping and Resource Information Authority, 1994.
Style de citation MLA (9e éd.)Philippines. Mapping and Resource Information Authority. Province of Biliran. Ed. 1, November, 1994. National Mapping and Resource Information Authority, 1994.
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