Castro, E. R. (1997). DOST pushes information tech program. Manila Bulletin.
芝加哥风格引文Castro, Eddee RH. "DOST Pushes Information Tech Program." Manila Bulletin 1997.
MLA引文Castro, Eddee RH. "DOST Pushes Information Tech Program." Manila Bulletin, 1997.
警告：这些引文格式不一定是100％准确.