Cita APA (7th ed.)
Kerrod, R. (1994). Transportation. Marshall Cavendish.
Cita Chicago (17th ed.)
Kerrod, Robin. Transportation. New York: Marshall Cavendish, 1994.
Cita MLA (9th ed.)
Kerrod, Robin. Transportation. Marshall Cavendish, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.