Institution of Civil Engineers (Great Britain), British Geotechnical Society, Midland Geotechnical Society, & Nixon, I. K. (1989). Penetration testing in the U.K.: Proceedings of the geotechnology conference organized by the Institution of Civil Engineers and held in Birmingham on 6-8 July, 1988. T. Telford.
Chicago Style (17. basım) AtıfInstitution of Civil Engineers (Great Britain), British Geotechnical Society, Midland Geotechnical Society, ve I. K. Nixon. Penetration Testing in the U.K.: Proceedings of the Geotechnology Conference Organized by the Institution of Civil Engineers and Held in Birmingham on 6-8 July, 1988. London: T. Telford, 1989.
MLA (8th ed.) AtıfInstitution of Civil Engineers (Great Britain), et al. Penetration Testing in the U.K.: Proceedings of the Geotechnology Conference Organized by the Institution of Civil Engineers and Held in Birmingham on 6-8 July, 1988. T. Telford, 1989.