Botones, L. (1999). QC execs cleared in Ozone tragedy. Manila Times.
Citación estilo ChicagoBotones, Lea. "QC Execs Cleared in Ozone Tragedy." Manila Times 1999.
Cita MLABotones, Lea. "QC Execs Cleared in Ozone Tragedy." Manila Times, 1999.
Warning: These citations may not always be 100% accurate.