APA
Ley T., Boyce J., Lavers R., Newman P., Williams K., Woolnough D., Royal Institution of Chartered Surveyors & College of Estate Management. (1999). The building control system : the highway code of construction (sound recording). London: RICS.
Chicago
Ley Tony, Boyce John, Lavers Ron, Newman Patricia, Williams Kelvin, Woolnough Derek, Royal Institution of Chartered Surveyors and College of Estate Management. 1999. The building control system : the highway code of construction (sound recording). London: RICS.
Harvard
Ley T., Boyce J., Lavers R., Newman P., Williams K., Woolnough D., Royal Institution of Chartered Surveyors and College of Estate Management. (1999). The building control system : the highway code of construction (sound recording). London: RICS.
MLA
Ley Tony, Boyce John, Lavers Ron, Newman Patricia, Williams Kelvin, Woolnough Derek, Royal Institution of Chartered Surveyors and College of Estate Management. The building control system : the highway code of construction (sound recording). London: RICS. 1999.
