APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.