Villanueva, R. . E. (2021). PAF jets intercept unknown aircraft entering Phl airspace. Philippine Star.
Chicagoスタイル(17版)引用形式Villanueva, Ralph Edwin. "PAF Jets Intercept Unknown Aircraft Entering Phl Airspace." Philippine Star 2021.
MLA(8版)引用形式Villanueva, Ralph Edwin. "PAF Jets Intercept Unknown Aircraft Entering Phl Airspace." Philippine Star, 2021.
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