Galiani Sebastian, Paul Gertler and Ernesto Schargrodsky (2002). "Water for life: the impact of the privatization of water services on child mortality", Working Paper No. 154 (Stanford: Stanford University), mimeo.
Galiani Sebastian, Paul Gertler y Ernesto Schargrodsky (2002), "Water for life: the impact of the privatization of water services on child mortality", Working Paper Nº 154, mimeografía, Universidad de Stanford, Stanford.