APA
Loayza N. A., The World Bank, . (1997). The economics of the informal sector: a simple model and some empirical evidence from Latin America. Washigton: World Bank.
Chicago
Loayza Norman A, The World Bank, . 1997. The economics of the informal sector: a simple model and some empirical evidence from Latin America. Washigton: World Bank.
Harvard
Loayza N. A., The World Bank, . (1997). The economics of the informal sector: a simple model and some empirical evidence from Latin America. Washigton: World Bank.
MLA
Loayza Norman A, The World Bank, . The economics of the informal sector: a simple model and some empirical evidence from Latin America. Washigton: World Bank. 1997.