APA (7 वां संस्करण) प्रशस्ति पत्र
World Bank Group & ebrary, Inc. (2010). Improving primary health care delivery in Nigeria: Evidence from four states. World Bank Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
World Bank Group और Inc ebrary. Improving Primary Health Care Delivery in Nigeria: Evidence from Four States. Washington, D.C.: World Bank Group, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
World Bank Group और Inc ebrary. Improving Primary Health Care Delivery in Nigeria: Evidence from Four States. World Bank Group, 2010.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.