Philippines. National Mapping and Resource Information Authority. (1993). Romblon. National Mapping and Resource Information Authority.
Chicago Style (17th ed.) CitationPhilippines. National Mapping and Resource Information Authority. Romblon. Makati: National Mapping and Resource Information Authority, 1993.
MLA (9th ed.) CitationPhilippines. National Mapping and Resource Information Authority. Romblon. National Mapping and Resource Information Authority, 1993.
Warning: These citations may not always be 100% accurate.