APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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