APA (7th ed.) Zitazioa
Liu, X. (2003). Policy tools for allocative efficiency of health services. World Health Organization.
Chicago Style (17th ed.) Zitazioa
Liu, Xingzhu. Policy Tools for Allocative Efficiency of Health Services. Geneva: World Health Organization, 2003.
MLA (9th ed.) Zitazioa
Liu, Xingzhu. Policy Tools for Allocative Efficiency of Health Services. World Health Organization, 2003.
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