Cita APA (7th ed.)
(1978). Computer Methods in tunnel design. The Institution of Civil Engineers.
Cita Chicago (17th ed.)
Computer Methods in Tunnel Design. London: The Institution of Civil Engineers, 1978.
Cita MLA (9th ed.)
Computer Methods in Tunnel Design. The Institution of Civil Engineers, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.