Cita APA (7th ed.)

Button, K. J. (1982). Transport economics. Heinemann.

Cita Chicago (17th ed.)

Button, Kenneth John. Transport Economics. London: Heinemann, 1982.

Cita MLA (9th ed.)

Button, Kenneth John. Transport Economics. Heinemann, 1982.

Atenció: Aquestes cites poden no estar 100% correctes.