Sinfuego, R. C. (1997). An optimistic voice in an area in turmoil. Manila Bulletin.
Chicagoスタイル(17版)引用形式Sinfuego, Roy C. "An Optimistic Voice in an Area in Turmoil." Manila Bulletin 1997.
MLA(9版)引用形式Sinfuego, Roy C. "An Optimistic Voice in an Area in Turmoil." Manila Bulletin, 1997.
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