Directo, D. R. V. I. (1997). De Ocampo stresses free flow of goods and capital. Manila Chronicle.
芝加哥风格引文Directo, Dino Raymundo V. III. "De Ocampo Stresses Free Flow of Goods and Capital." Manila Chronicle 1997.
MLA引文Directo, Dino Raymundo V. III. "De Ocampo Stresses Free Flow of Goods and Capital." Manila Chronicle, 1997.
警告：这些引文格式不一定是100％准确.