Cita APA (7th ed.)
International Transport Forum, ProQuest (Firm), & Organisation for Economic Co-operation and Development. (2011). Trends in the transport sector: 1970-2009. OECD.
Cita Chicago (17th ed.)
International Transport Forum, ProQuest (Firm), i Organisation for Economic Co-operation and Development. Trends in the Transport Sector: 1970-2009. Paris: OECD, 2011.
Cita MLA (9th ed.)
International Transport Forum, et al. Trends in the Transport Sector: 1970-2009. OECD, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.