@book{Perry2007,
author = {Perry, G.E. and Maloney, W.F. and Arias, O.S. and Fajnzylber, P. and Mason, A.D. and Saavedra-Chanduvi, J. },
title= {Informality: Exit and exclusion},
year = {2007},
doi = {10.1596/978-0-8213-7092-6},
address = {Washington, D.C.},
publisher = {The World Bank},
}