Ching, P. (1992). Factors affecting the demand for health services in the Philippines. Philippine Institute for Development Studies.
Citação norma ChicagoChing, Panfila. Factors Affecting the Demand for Health Services in the Philippines. Makati, Metro Manila: Philippine Institute for Development Studies, 1992.
Citação norma MLAChing, Panfila. Factors Affecting the Demand for Health Services in the Philippines. Philippine Institute for Development Studies, 1992.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.