APA
OECD. Study on European intercity passenger transport requirements, . (1977). Future of European passenger transport. Paris: OECD. Study on European intercity passenger transport requirements.
Chicago
OECD. Study on European intercity passenger transport requirements, . 1977. Future of European passenger transport. Paris: OECD. Study on European intercity passenger transport requirements.
Harvard
OECD. Study on European intercity passenger transport requirements, . (1977). Future of European passenger transport. Paris: OECD. Study on European intercity passenger transport requirements.
MLA
OECD. Study on European intercity passenger transport requirements, . Future of European passenger transport. Paris: OECD. Study on European intercity passenger transport requirements. 1977.