Cita APA (7th ed.)
Pickford, A. T. W., & Blythe, P. T. (2006). Road user charging and electronic toll collection. Artech House.
Cita Chicago (17th ed.)
Pickford, Andrew T. W., i Philip T. Blythe. Road User Charging and Electronic Toll Collection. Boston: Artech House, 2006.
Cita MLA (9th ed.)
Pickford, Andrew T. W., i Philip T. Blythe. Road User Charging and Electronic Toll Collection. Artech House, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.