Papa, J. (2002). Target: Zero waste. Philippine Daily Inquirer.
Cita Chicago (17th ed.)Papa, Joey. "Target: Zero Waste." Philippine Daily Inquirer 2002.
Cita MLA (9th ed.)Papa, Joey. "Target: Zero Waste." Philippine Daily Inquirer, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.