American Society of Civil Engineers. Geotechnical Engineering Division, Norris, G. M., & Holtz, R. D. (1981). Cone penetration testing and experience: Proceedings of a session sponsored by the Geotechnical Engineering Division at the ASCE national convention, St. Louis, Missouri, October 26-30, 1981. American Society of Civil Engineers.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)American Society of Civil Engineers. Geotechnical Engineering Division, G. M. Norris, và R. D. Holtz. Cone Penetration Testing and Experience: Proceedings of a Session Sponsored by the Geotechnical Engineering Division at the ASCE National Convention, St. Louis, Missouri, October 26-30, 1981. New York, N.Y.: American Society of Civil Engineers, 1981.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)American Society of Civil Engineers. Geotechnical Engineering Division, et al. Cone Penetration Testing and Experience: Proceedings of a Session Sponsored by the Geotechnical Engineering Division at the ASCE National Convention, St. Louis, Missouri, October 26-30, 1981. American Society of Civil Engineers, 1981.