Philippines. Mapping and Resource Information Authority. (1990). Region IV: Southern Tagalog (Ed. 1, March, 1990.). National Mapping and Resource Information Authority.
Chicago Style (17th ed.) CitationPhilippines. Mapping and Resource Information Authority. Region IV: Southern Tagalog. Ed. 1, March, 1990. Makati, Metro Manila: National Mapping and Resource Information Authority, 1990.
MLA (9th ed.) CitationPhilippines. Mapping and Resource Information Authority. Region IV: Southern Tagalog. Ed. 1, March, 1990. National Mapping and Resource Information Authority, 1990.
Warning: These citations may not always be 100% accurate.