Chen, S., & Ravallion, M. (2008). The developing world is poorer than we thought, but no less successful in the fight against poverty. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChen, Shaohua, और Martin Ravallion. The Developing World Is Poorer than We Thought, but No Less Successful in the Fight Against Poverty. Washington, D.C: World Bank, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChen, Shaohua, और Martin Ravallion. The Developing World Is Poorer than We Thought, but No Less Successful in the Fight Against Poverty. World Bank, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.