Bank, W. (2015). Yemen: Early Childhood Development 2013. Washington, DC.
Cita Chicago Style (17a ed.)Bank, World. Yemen: Early Childhood Development 2013. Washington, DC, 2015.
Cita MLA (9a ed.)Bank, World. Yemen: Early Childhood Development 2013. Washington, DC, 2015.
Precaución: Estas citas no son 100% exactas.