Παραπομπή σε μορφή APA (7η εκδ.)

World Bank & Preker, A. S. (2007). Public ends, private means: Strategic purchasing of health services. World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Bank και Alexander S. Preker. Public Ends, Private Means: Strategic Purchasing of Health Services. Washington, D.C.: World Bank, 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

World Bank και Alexander S. Preker. Public Ends, Private Means: Strategic Purchasing of Health Services. World Bank, 2007.