APA
Contreras D., Sepulveda Paulina & World Bank. (2016). Effect of lengthening the school day on mothers labor suppl. Washington DC: World Bank.
Chicago
Contreras Dante, Sepulveda Paulina and World Bank. 2016. Effect of lengthening the school day on mothers labor suppl. Washington DC: World Bank.
Harvard
Contreras D., Sepulveda Paulina and World Bank. (2016). Effect of lengthening the school day on mothers labor suppl. Washington DC: World Bank.
MLA
Contreras Dante, Sepulveda Paulina and World Bank. Effect of lengthening the school day on mothers labor suppl. Washington DC: World Bank. 2016.
