Casayuran, M. B. (1997). Probe sought on series of plane crashes. Manila Bulletin.
Chicagoスタイル(17版)引用形式Casayuran, Mario B. "Probe Sought on Series of Plane Crashes." Manila Bulletin 1997.
MLA(9版)引用形式Casayuran, Mario B. "Probe Sought on Series of Plane Crashes." Manila Bulletin, 1997.
警告: この引用は必ずしも正確ではありません.