Kingdom, W. D. (2005). Models of aggregation for water and sanitation provision. Washington DC: World Bank.
Stile di citazione ChicagoKingdom, William D. Models of Aggregation for Water and Sanitation Provision. Washington DC: World Bank, 2005.
Citazione MLAKingdom, William D. Models of Aggregation for Water and Sanitation Provision. Washington DC: World Bank, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.