Spronk, Susan (2007). „Roots of Resistance to Urban Water Privatization in Bolivia: The "New Working Class," the Crisis of Neoliberalism, and Public Services”. International Labor and Working-Class History. 71 (71): 8—28. JSTOR27673068. S2CID153385781. doi:10.1017/S0147547907000312..
Spronk, Susan (2007). „Roots of Resistance to Urban Water Privatization in Bolivia: The "New Working Class," the Crisis of Neoliberalism, and Public Services”. International Labor and Working-Class History. 71 (71): 8—28. JSTOR27673068. S2CID153385781. doi:10.1017/S0147547907000312..
Spronk, Susan (2007). „Roots of Resistance to Urban Water Privatization in Bolivia: The "New Working Class," the Crisis of Neoliberalism, and Public Services”. International Labor and Working-Class History. 71 (71): 8—28. JSTOR27673068. S2CID153385781. doi:10.1017/S0147547907000312..