Villanueva, O. (1997). Volvo sales to hit P1.5b this year. Manila Chronicle.
芝加哥风格引文Villanueva, Othel. "Volvo Sales to Hit P1.5b This Year." Manila Chronicle 1997.
MLA引文Villanueva, Othel. "Volvo Sales to Hit P1.5b This Year." Manila Chronicle, 1997.
警告：这些引文格式不一定是100％准确.