Organisation for Economic Cooperation and Development. (1972). Optimisation of bus operation in urban areas: A report. Organisation for Economic Cooperation and Development.
Chicago-referens (17:e uppl.)Organisation for Economic Cooperation and Development. Optimisation of Bus Operation in Urban Areas: A Report. Paris: Organisation for Economic Cooperation and Development, 1972.
MLA-referens (9:e uppl.)Organisation for Economic Cooperation and Development. Optimisation of Bus Operation in Urban Areas: A Report. Organisation for Economic Cooperation and Development, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.