Group, W. B. (2014). Enterprise Surveys: Angola Country Profile 2010. Washington, DC.
Cita Chicago Style (17a ed.)Group, World Bank. Enterprise Surveys: Angola Country Profile 2010. Washington, DC, 2014.
Cita MLA (9a ed.)Group, World Bank. Enterprise Surveys: Angola Country Profile 2010. Washington, DC, 2014.
Precaución: Estas citas no son 100% exactas.