APA

OECD, . (1979). Urban transport and the environment. Seminar 10-12 July 1979 organised by the OECD in cooperation with the ECMT. 4 volymer. Paris: OECD.

Chicago

OECD, . 1979. Urban transport and the environment. Seminar 10-12 July 1979 organised by the OECD in cooperation with the ECMT. 4 volymer. Paris: OECD.

Harvard

OECD, . (1979). Urban transport and the environment. Seminar 10-12 July 1979 organised by the OECD in cooperation with the ECMT. 4 volymer. Paris: OECD.

MLA

OECD, . Urban transport and the environment. Seminar 10-12 July 1979 organised by the OECD in cooperation with the ECMT. 4 volymer. Paris: OECD. 1979.