Mapagu, S. (1999). Diesel exhaust blamed for long cancer cases. Manila Times.
芝加哥风格引文Mapagu, Shalom. "Diesel Exhaust Blamed for Long Cancer Cases." Manila Times 1999.
MLA引文Mapagu, Shalom. "Diesel Exhaust Blamed for Long Cancer Cases." Manila Times, 1999.
警告：这些引文格式不一定是100％准确.