Philippines. Mapping and Resource Information Authority. (1994). Province of Biliran (Ed. 1, November, 1994.). National Mapping and Resource Information Authority.
Chicago-referens (17:e uppl.)Philippines. Mapping and Resource Information Authority. Province of Biliran. Ed. 1, November, 1994. Makati, Metro Manila: National Mapping and Resource Information Authority, 1994.
MLA-referens (9:e uppl.)Philippines. Mapping and Resource Information Authority. Province of Biliran. Ed. 1, November, 1994. National Mapping and Resource Information Authority, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.