Cita APA (7th ed.)

Organisation for Economic Co-operation and Development & ProQuest (Firm). (2006). Les infrastructures a l'horizon 2030. OCDE.

Cita Chicago (17th ed.)

Organisation for Economic Co-operation and Development i ProQuest (Firm). Les Infrastructures a L'horizon 2030. Paris: OCDE, 2006.

Cita MLA (9th ed.)

Organisation for Economic Co-operation and Development i ProQuest (Firm). Les Infrastructures a L'horizon 2030. OCDE, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.