Cita APA (7a ed.)

International Union of Public Transport. International Congress. (1989). 48th International Congress, Budapest, 1989. International Union Association of Public Transport.

Cita Chicago Style (17a ed.)

International Union of Public Transport. International Congress. 48th International Congress, Budapest, 1989. Brussels: International Union Association of Public Transport, 1989.

Cita MLA (8a ed.)

International Union of Public Transport. International Congress. 48th International Congress, Budapest, 1989. International Union Association of Public Transport, 1989.