APA

Symposium on Roads and the Urban Environment. (1974 : Madrid), . (1974). Symposium on roads and the urban environment. Paris: Organisation for Economic Co-operation and Development. OECD.

Chicago

Symposium on Roads and the Urban Environment. (1974 : Madrid), . 1974. Symposium on roads and the urban environment. Paris: Organisation for Economic Co-operation and Development. OECD.

Harvard

Symposium on Roads and the Urban Environment. (1974 : Madrid), . (1974). Symposium on roads and the urban environment. Paris: Organisation for Economic Co-operation and Development. OECD.

MLA

Symposium on Roads and the Urban Environment. (1974 : Madrid), . Symposium on roads and the urban environment. Paris: Organisation for Economic Co-operation and Development. OECD. 1974.