Chen, S., & Ravallion, M. (2004). How have the world's poorest fared since the early 1980sn. World Bank.
Cita Chicago Style (17a ed.)Chen, Shaohua, y Martin Ravallion. How Have the World's Poorest Fared Since the Early 1980sn. Washington, D.C: World Bank, 2004.
Cita MLA (9a ed.)Chen, Shaohua, y Martin Ravallion. How Have the World's Poorest Fared Since the Early 1980sn. World Bank, 2004.
Precaución: Estas citas no son 100% exactas.