Versola, P. (2000). Americans to Igorot's: Sorry for 1904 slum. Manila Times.
芝加哥风格引文Versola, Pio. "Americans to Igorot's: Sorry for 1904 Slum." Manila Times 2000.
MLA引文Versola, Pio. "Americans to Igorot's: Sorry for 1904 Slum." Manila Times, 2000.
警告：这些引文格式不一定是100％准确.