APA
Piza C., Souza Andre Portela & World Bank. (2015). The causal impacts of child labor law in Brazil: Some prelim. Washington DC: World Bank.
Chicago
Piza Caio, Souza Andre Portela and World Bank. 2015. The causal impacts of child labor law in Brazil: Some prelim. Washington DC: World Bank.
Harvard
Piza C., Souza Andre Portela and World Bank. (2015). The causal impacts of child labor law in Brazil: Some prelim. Washington DC: World Bank.
MLA
Piza Caio, Souza Andre Portela and World Bank. The causal impacts of child labor law in Brazil: Some prelim. Washington DC: World Bank. 2015.