Philippines. National Historical Institute. (1994). Historical markers: Regions V-XII. National Historical Institute.
Chicago Style (17th ed.) CitationPhilippines. National Historical Institute. Historical Markers: Regions V-XII. Manila: National Historical Institute, 1994.
ציטוט MLAPhilippines. National Historical Institute. Historical Markers: Regions V-XII. National Historical Institute, 1994.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.