OECD. (1967). Future directions for research in urban transportation. Paris: Organisation for Economic Co-operation and Development. Directorate for Scientific Affairs.
Chicago-stil citatOECD. Future Directions for Research in Urban Transportation. Paris: Organisation for Economic Co-operation and Development. Directorate for Scientific Affairs, 1967.
MLA-referensOECD. Future Directions for Research in Urban Transportation. Paris: Organisation for Economic Co-operation and Development. Directorate for Scientific Affairs, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.