Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). Les impots sur les salaires. 2007/2008: Etude speciale. OCDE.
Cita Chicago (17th ed.)Organisation for Economic Co-operation and Development i ProQuest (Firm). Les Impots Sur Les Salaires. 2007/2008: Etude Speciale. Paris: OCDE, 2009.
Cita MLA (9th ed.)Organisation for Economic Co-operation and Development i ProQuest (Firm). Les Impots Sur Les Salaires. 2007/2008: Etude Speciale. OCDE, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.