Cita APA (7th ed.)

British Geological Survey & Institute of Geological Sciences (Great Britain). (1978). World mineral statistics. H.M.S.O..

Cita Chicago (17th ed.)

British Geological Survey i Institute of Geological Sciences (Great Britain). World Mineral Statistics. London: H.M.S.O., 1978.

Cita MLA (8th ed.)

British Geological Survey i Institute of Geological Sciences (Great Britain). World Mineral Statistics. H.M.S.O., 1978.