APA
Royal Institution of Chartered Surveyors, F.G.Bell & Associates, . (1979). Subsidence due to factors other than coal mining. : RICS.
Chicago
Royal Institution of Chartered Surveyors, F.G.Bell & Associates, . 1979. Subsidence due to factors other than coal mining. : RICS.
Harvard
Royal Institution of Chartered Surveyors, F.G.Bell & Associates, . (1979). Subsidence due to factors other than coal mining. : RICS.
MLA
Royal Institution of Chartered Surveyors, F.G.Bell & Associates, . Subsidence due to factors other than coal mining. : RICS. 1979.