APA
Royal Institution of Chartered Surveyors, . (1979). Mining and its effects on the environment. Minerals division, one day seminar, [held at] Sheffield city polytechnic on 3rd April 1979. : RICS.
Chicago
Royal Institution of Chartered Surveyors, . 1979. Mining and its effects on the environment. Minerals division, one day seminar, [held at] Sheffield city polytechnic on 3rd April 1979. : RICS.
Harvard
Royal Institution of Chartered Surveyors, . (1979). Mining and its effects on the environment. Minerals division, one day seminar, [held at] Sheffield city polytechnic on 3rd April 1979. : RICS.
MLA
Royal Institution of Chartered Surveyors, . Mining and its effects on the environment. Minerals division, one day seminar, [held at] Sheffield city polytechnic on 3rd April 1979. : RICS. 1979.
