Cueto, D. (1997). 18 officials sued for Ozone. Philippine Daily Inquirer.
Cita Chicago (17th ed.)Cueto, Donna. "18 Officials Sued for Ozone." Philippine Daily Inquirer 1997.
Cita MLA (9th ed.)Cueto, Donna. "18 Officials Sued for Ozone." Philippine Daily Inquirer, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.