APA
Royal Institution of Chartered Surveyors, . (1999). Royal Instiution of Chartered Surveyors Minerals and Environmental Management Division: Annual conference, Friday 26 March 1999, Stoke on Trent. London: RICS.
Chicago
Royal Institution of Chartered Surveyors, . 1999. Royal Instiution of Chartered Surveyors Minerals and Environmental Management Division: Annual conference, Friday 26 March 1999, Stoke on Trent. London: RICS.
Harvard
Royal Institution of Chartered Surveyors, . (1999). Royal Instiution of Chartered Surveyors Minerals and Environmental Management Division: Annual conference, Friday 26 March 1999, Stoke on Trent. London: RICS.
MLA
Royal Institution of Chartered Surveyors, . Royal Instiution of Chartered Surveyors Minerals and Environmental Management Division: Annual conference, Friday 26 March 1999, Stoke on Trent. London: RICS. 1999.
