Aben, E. L. (2008). Puno pushes BFP upgrade bills. Manila Bulletin.
Chicagoスタイル(17版)引用形式Aben, Elena L. "Puno Pushes BFP Upgrade Bills." Manila Bulletin 2008.
MLA(9版)引用形式Aben, Elena L. "Puno Pushes BFP Upgrade Bills." Manila Bulletin, 2008.
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