Reyes, R. S. (1997). Ayala Foundation to use IT in study of Philippine history. Manila Bulletin.
Chicagoスタイル(17版)引用形式Reyes, Riz S. "Ayala Foundation to Use IT in Study of Philippine History." Manila Bulletin 1997.
MLA(9版)引用形式Reyes, Riz S. "Ayala Foundation to Use IT in Study of Philippine History." Manila Bulletin, 1997.
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