Perez, W. (1994). Abu Sayyaf allies kill 20 civilians in Basilan. Philippine Star.
Chicagoスタイル(17版)引用形式Perez, Willy. "Abu Sayyaf Allies Kill 20 Civilians in Basilan." Philippine Star 1994.
MLA(9版)引用形式Perez, Willy. "Abu Sayyaf Allies Kill 20 Civilians in Basilan." Philippine Star, 1994.
警告: この引用は必ずしも正確ではありません.