Παραπομπή σε μορφή APA (7η εκδ.)

European Conference of Ministers of Transport, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2007). Cutting transport CO2 emissions: What progress? OECD.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Conference of Ministers of Transport, Organisation for Economic Co-operation and Development, και ProQuest (Firm). Cutting Transport CO2 Emissions: What Progress? Paris: OECD, 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

European Conference of Ministers of Transport, et al. Cutting Transport CO2 Emissions: What Progress? OECD, 2007.