Organisation for Economic Co-operation and Development & ProQuest (Firm). (2008). Les impots sur les salaires 2006/2007: Etude speciale (Ed. 2007.). OCDE.
Cita Chicago (17th ed.)Organisation for Economic Co-operation and Development i ProQuest (Firm). Les Impots Sur Les Salaires 2006/2007: Etude Speciale. Ed. 2007. Paris: OCDE, 2008.
Cita MLA (9th ed.)Organisation for Economic Co-operation and Development i ProQuest (Firm). Les Impots Sur Les Salaires 2006/2007: Etude Speciale. Ed. 2007. OCDE, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.