Year : 2010
- Washington, DC : World Bank, Development Research Group, Poverty and Inequality Team, 2010 ; Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2010
- Washington, DC : World Bank, Latin America and the Caribbean Region, Off. of the Chief Economist [u.a.], 2010 ; Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2010