Mapagu, S. (1999). Diesel exhaust blamed for long cancer cases. Manila Times.
Chicago Style aipamenaMapagu, Shalom. "Diesel Exhaust Blamed for Long Cancer Cases." Manila Times 1999.
MLA aipamenaMapagu, Shalom. "Diesel Exhaust Blamed for Long Cancer Cases." Manila Times, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.