Philippines. National Historical Institute. (1994). Historical markers: Regions V-XII. National Historical Institute.
芝加哥风格引文Philippines. National Historical Institute. Historical Markers: Regions V-XII. Manila: National Historical Institute, 1994.
MLA引文Philippines. National Historical Institute. Historical Markers: Regions V-XII. National Historical Institute, 1994.
警告：这些引文格式不一定是100％准确.