Não informado. (2004). Transportation Research News. National Research Council, Transportation Research Board.
Chicago-viite (17. p.)Não informado. Transportation Research News. Washington: National Research Council, Transportation Research Board, 2004.
MLA-viite (8. p.)Não informado. Transportation Research News. National Research Council, Transportation Research Board, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.