Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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