Philippines. National Historical Institute. (1994). Historical markers: Regions V-XII. National Historical Institute.
Čikaški stil citiranja (17. izdanje)Philippines. National Historical Institute. Historical Markers: Regions V-XII. Manila: National Historical Institute, 1994.
MLA način citiranja (9. izdanje)Philippines. National Historical Institute. Historical Markers: Regions V-XII. National Historical Institute, 1994.
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