World Bank & Peters, D. H. (2009). Improving health service delivery in developing countries: From evidence to action. World Bank.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Bank και David H. Peters. Improving Health Service Delivery in Developing Countries: From Evidence to Action. Washington, DC: World Bank, 2009.
Παραπομπή σε μορφή MLA (9th εκδ.)World Bank και David H. Peters. Improving Health Service Delivery in Developing Countries: From Evidence to Action. World Bank, 2009.