Cita APA

Stubbs, P. C. (1980). Transports economics. London: George Allen & Unwin.

Chicago Style Citation

Stubbs, P. C. Transports Economics. London: George Allen & Unwin, 1980.

Cita MLA

Stubbs, P. C. Transports Economics. London: George Allen & Unwin, 1980.

Atenció: Aquestes cites poden no estar 100% correctes.