Cheng, P. A. (2011). The heart survivor. HealthToday Philippines.
Citación estilo ChicagoCheng, Patricia Agunod. "The Heart Survivor." HealthToday Philippines 2011.
Cita MLACheng, Patricia Agunod. "The Heart Survivor." HealthToday Philippines, 2011.
Warning: These citations may not always be 100% accurate.