Alonso, R. (1999). Social infrastructure: Drinking water for rural areas.
Cita Chicago Style (17a ed.)Alonso, Roberto. Social Infrastructure: Drinking Water for Rural Areas. 1999.
Cita MLA (9a ed.)Alonso, Roberto. Social Infrastructure: Drinking Water for Rural Areas. 1999.
Precaución: Estas citas no son 100% exactas.