Cita APA (7th ed.)

Liu, X. (2003). Policy tools for allocative efficiency of health services. World Health Organization.

Cita Chicago (17th ed.)

Liu, Xingzhu. Policy Tools for Allocative Efficiency of Health Services. Geneva: World Health Organization, 2003.

Cita MLA (8th ed.)

Liu, Xingzhu. Policy Tools for Allocative Efficiency of Health Services. World Health Organization, 2003.