Cita APA (7th ed.)

Beer, G. (2010). Technology innovation in underground construction (1a. ed.). CRC Press.

Cita Chicago (17th ed.)

Beer, Gernot. Technology Innovation in Underground Construction. 1a. ed. Boca Ratón: CRC Press, 2010.

Cita MLA (9th ed.)

Beer, Gernot. Technology Innovation in Underground Construction. 1a. ed. CRC Press, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.