Philippines. Mapping and Resource Information Authority. (1994). Province of Biliran (Ed. 1, November, 1994.). National Mapping and Resource Information Authority.
Citazione stile Chigago Style (17a edizione)Philippines. Mapping and Resource Information Authority. Province of Biliran. Ed. 1, November, 1994. Makati, Metro Manila: National Mapping and Resource Information Authority, 1994.
Citatione MLA (9a ed.)Philippines. Mapping and Resource Information Authority. Province of Biliran. Ed. 1, November, 1994. National Mapping and Resource Information Authority, 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.