Castaño, J. E. I. (1999). Ivantans recall the day a strong quake ruined their 81 years ago. Philippine Star.
Chicagoスタイル(17版)引用形式Castaño, Jack E. III. "Ivantans Recall the Day a Strong Quake Ruined Their 81 Years Ago." Philippine Star 1999.
MLA(9版)引用形式Castaño, Jack E. III. "Ivantans Recall the Day a Strong Quake Ruined Their 81 Years Ago." Philippine Star, 1999.
警告: この引用は必ずしも正確ではありません.