APA-referens (7:e uppl.)

National Research Council (U.S.). Highway Research Board & Engineering Foundation (U.S.). (1974). Issues in public transportation: Proceedings of a conference. National Research Council,Transportation Research Board.

Chicago-referens (17:e uppl.)

National Research Council (U.S.). Highway Research Board och Engineering Foundation (U.S.). Issues in Public Transportation: Proceedings of a Conference. Washington, D.C: National Research Council,Transportation Research Board, 1974.

MLA-referens (9:e uppl.)

National Research Council (U.S.). Highway Research Board och Engineering Foundation (U.S.). Issues in Public Transportation: Proceedings of a Conference. National Research Council,Transportation Research Board, 1974.