APA

University of Leeds, . (1978). Working paper / Institute for Transport Studies, University of Leeds. Leeds: [Verlag nicht ermittelbar].

Chicago

University of Leeds, . 1978. Working paper / Institute for Transport Studies, University of Leeds. Leeds: [Verlag nicht ermittelbar].

Harvard

University of Leeds, . (1978). Working paper / Institute for Transport Studies, University of Leeds. Leeds: [Verlag nicht ermittelbar].

MLA

University of Leeds, . Working paper / Institute for Transport Studies, University of Leeds. Leeds: [Verlag nicht ermittelbar]. 1978.