Organisation for Economic Co-operation and Development & ProQuest (Firm). (2010). Prix de l'eau et des services d'eau potable et d'assainissement. OCDE.
Citazione stile Chigago Style (17a edizione)Organisation for Economic Co-operation and Development e ProQuest (Firm). Prix De L'eau Et Des Services D'eau Potable Et D'assainissement. Paris: OCDE, 2010.
Citatione MLA (9a ed.)Organisation for Economic Co-operation and Development e ProQuest (Firm). Prix De L'eau Et Des Services D'eau Potable Et D'assainissement. OCDE, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.