Ronquillo, B. (1999). Technology focus for millenium up at PECC meet. Manila Bulletin.
Chicagoスタイル(17版)引用形式Ronquillo, Bernardo. "Technology Focus for Millenium Up at PECC Meet." Manila Bulletin 1999.
MLA(9版)引用形式Ronquillo, Bernardo. "Technology Focus for Millenium Up at PECC Meet." Manila Bulletin, 1999.
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