Chee Kee, R. J. Breathing new life into single-use plastics. Philippine Daily Inquirer..
Cita Chicago (17th ed.)Chee Kee, Raoul J. "Breathing New Life into Single-use Plastics." Philippine Daily Inquirer. .
Cita MLA (9th ed.)Chee Kee, Raoul J. "Breathing New Life into Single-use Plastics." Philippine Daily Inquirer., .
Atenció: Aquestes cites poden no estar 100% correctes.