Institution of Civil Engineers & Geotechnology Conference. (1989). Penetration testing in the UK: Proceedings of the geotechnology conference organized by the Institution of Civil Engineers and held in Birmingham on 6-8 July 1988. Thomas Telford.
Cita Chicago Style (17a ed.)Institution of Civil Engineers y Geotechnology Conference. Penetration Testing in the UK: Proceedings of the Geotechnology Conference Organized by the Institution of Civil Engineers and Held in Birmingham on 6-8 July 1988. London: Thomas Telford, 1989.
Cita MLA (9a ed.)Institution of Civil Engineers y Geotechnology Conference. Penetration Testing in the UK: Proceedings of the Geotechnology Conference Organized by the Institution of Civil Engineers and Held in Birmingham on 6-8 July 1988. Thomas Telford, 1989.