Del Castillo, L. B. (2002). The business of infotech schools. Manila Times.
芝加哥风格引文Del Castillo, Leah B. "The Business of Infotech Schools." Manila Times 2002.
MLA引文Del Castillo, Leah B. "The Business of Infotech Schools." Manila Times, 2002.
警告：这些引文格式不一定是100％准确.