Não informado. (2009). Proceedings of the American Transit Engineering Association. American Transit Engineering Association.
Chicago-viite (17. p.)Não informado. Proceedings of the American Transit Engineering Association. New York: American Transit Engineering Association, 2009.
MLA-viite (8. p.)Não informado. Proceedings of the American Transit Engineering Association. American Transit Engineering Association, 2009.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.