Roces, A. R. (2010). Clean water awareness. IN Roses & Thorns [column]. Philippine Star.
Cita Chicago (17th ed.)Roces, Alejandro R. "Clean Water Awareness. IN Roses & Thorns [column]." Philippine Star 2010.
Cita MLA (9th ed.)Roces, Alejandro R. "Clean Water Awareness. IN Roses & Thorns [column]." Philippine Star, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.