Cita APA (7th ed.)
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2013). Tendances et politiques du tourisme de l'OCDE. OCDE.
Cita Chicago (17th ed.)
Organisation for Economic Co-operation and Development i ProQuest (Firm). Tendances Et Politiques Du Tourisme De L'OCDE. [Paris]: OCDE, 2013.
Cita MLA (9th ed.)
Organisation for Economic Co-operation and Development i ProQuest (Firm). Tendances Et Politiques Du Tourisme De L'OCDE. OCDE, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.