Balthazar, G. (1988). Aquino trip - great economic and goodwill gains. Manila Bulletin.
Chicagoスタイル(17版)引用形式Balthazar, Gaspar. "Aquino Trip - Great Economic and Goodwill Gains." Manila Bulletin 1988.
MLA(9版)引用形式Balthazar, Gaspar. "Aquino Trip - Great Economic and Goodwill Gains." Manila Bulletin, 1988.
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