Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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