Pan, I. L. (1997). Napocor projects P3.3-B net income in 1997. Manila Times.
芝加哥风格引文Pan, Isabel L. "Napocor Projects P3.3-B Net Income in 1997." Manila Times 1997.
MLA引文Pan, Isabel L. "Napocor Projects P3.3-B Net Income in 1997." Manila Times, 1997.
警告:这些引文格式不一定是100%准确.