APA
Clayton C. R. I., Construction Industry Research and Information Association, . (1995). The standard penetration test (SPT): methods and use. London: CIRIA.
Chicago
Clayton C R I, Construction Industry Research and Information Association, . 1995. The standard penetration test (SPT): methods and use. London: CIRIA.
Harvard
Clayton C. R. I., Construction Industry Research and Information Association, . (1995). The standard penetration test (SPT): methods and use. London: CIRIA.
MLA
Clayton C R I, Construction Industry Research and Information Association, . The standard penetration test (SPT): methods and use. London: CIRIA. 1995.
