Pan, I. L. (1997). Napocor creates spot market for excess power. Manila Times.
芝加哥风格引文Pan, Isabel L. "Napocor Creates Spot Market for Excess Power." Manila Times 1997.
MLA引文Pan, Isabel L. "Napocor Creates Spot Market for Excess Power." Manila Times, 1997.
警告：这些引文格式不一定是100％准确.