Sison, C. U. (2009). Is your bag a health hazard? HealthToday Philippines.
Cita Chicago (17th ed.)Sison, Criselda Uy. "Is Your Bag a Health Hazard?" HealthToday Philippines 2009.
Cita MLA (9th ed.)Sison, Criselda Uy. "Is Your Bag a Health Hazard?" HealthToday Philippines, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.