Organisation for Economic Co-operation and Development & ProQuest (Firm). (2011). Comment va la vie ?: Mesurer le bien-etre. OCDE.
Cita Chicago (17th ed.)Organisation for Economic Co-operation and Development i ProQuest (Firm). Comment Va La Vie ?: Mesurer Le Bien-etre. Paris: OCDE, 2011.
Cita MLA (9th ed.)Organisation for Economic Co-operation and Development i ProQuest (Firm). Comment Va La Vie ?: Mesurer Le Bien-etre. OCDE, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.