Ferriols, D. (1999). Gov't starts probe of NSC collapse. Philippine Star.
Chicagoスタイル(17版)引用形式Ferriols, Des. "Gov't Starts Probe of NSC Collapse." Philippine Star 1999.
MLA(9版)引用形式Ferriols, Des. "Gov't Starts Probe of NSC Collapse." Philippine Star, 1999.
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