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.