APA

Thomas Telford, . (1989). Penetration testing in the UK. Geotechnology conference organized by the Institution of Civil Engineers and held in Birmingham on 6-8 July 1988. Proceedings. London: Thomas Telford.

Chicago

Thomas Telford, . 1989. Penetration testing in the UK. Geotechnology conference organized by the Institution of Civil Engineers and held in Birmingham on 6-8 July 1988. Proceedings. London: Thomas Telford.

Harvard

Thomas Telford, . (1989). Penetration testing in the UK. Geotechnology conference organized by the Institution of Civil Engineers and held in Birmingham on 6-8 July 1988. Proceedings. London: Thomas Telford.

MLA

Thomas Telford, . Penetration testing in the UK. Geotechnology conference organized by the Institution of Civil Engineers and held in Birmingham on 6-8 July 1988. Proceedings. London: Thomas Telford. 1989.