Mapagu, S. (1999). Diesel exhaust blamed for long cancer cases. Manila Times.
Cita Chicago (17th ed.)Mapagu, Shalom. "Diesel Exhaust Blamed for Long Cancer Cases." Manila Times 1999.
Cita MLA (9th ed.)Mapagu, Shalom. "Diesel Exhaust Blamed for Long Cancer Cases." Manila Times, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.