APA-viite

Third international safety conference. (1975). Hazards in tunnelling and on falsework. Institution of civil engineers.

Chicago-tyylinen lähdeviittaus

Third international safety conference. Hazards in Tunnelling and on Falsework. London: Institution of civil engineers, 1975.

MLA-viite

Third international safety conference. Hazards in Tunnelling and on Falsework. Institution of civil engineers, 1975.