APA

Union Internationale des Transport Publics U., International Light Rail Commission, . (1989). Trends in light rail. Bryssel: Union Internationale des Transport Publics, UITP.

Chicago

Union Internationale des Transport Publics UITP, International Light Rail Commission, . 1989. Trends in light rail. Bryssel: Union Internationale des Transport Publics, UITP.

Harvard

Union Internationale des Transport Publics U., International Light Rail Commission, . (1989). Trends in light rail. Bryssel: Union Internationale des Transport Publics, UITP.

MLA

Union Internationale des Transport Publics UITP, International Light Rail Commission, . Trends in light rail. Bryssel: Union Internationale des Transport Publics, UITP. 1989.