International Transport Forum, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2009). Evolution des transports. OCDE.
Lua i Stíl Chicago (17ú heag.)International Transport Forum, Organisation for Economic Co-operation and Development, agus ProQuest (Firm). Evolution Des Transports. Paris: OCDE, 2009.
Lua MLA (9ú heag.)International Transport Forum, et al. Evolution Des Transports. OCDE, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.