Philippines. National Mapping and Resource Information Authority. (1991). Province of Camarines Sur (Ed 1, December, 1991.). National Mapping and Resource Information Authority.
Chicago Style (17th ed.) CitationPhilippines. National Mapping and Resource Information Authority. Province of Camarines Sur. Ed 1, December, 1991. Makati: National Mapping and Resource Information Authority, 1991.
MLA (9th ed.) CitationPhilippines. National Mapping and Resource Information Authority. Province of Camarines Sur. Ed 1, December, 1991. National Mapping and Resource Information Authority, 1991.
Warning: These citations may not always be 100% accurate.