National Historical Institute (Philippines). (1999). Historical markers: Metropolitan Manila. National Historical Institute.
Chicago Style (17th ed.) CitationNational Historical Institute (Philippines). Historical Markers: Metropolitan Manila. Manila: National Historical Institute, 1999.
MLA (9th ed.) CitationNational Historical Institute (Philippines). Historical Markers: Metropolitan Manila. National Historical Institute, 1999.
Warning: These citations may not always be 100% accurate.