Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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