British Sulphur Corporation, ltd. Minerals and Metals Intelligence Unit. (1972). Rhodesia: A special survey of the mining industry. British Sulphur Corporation, Minerals and Metals Intelligence Unit.
Chicago Style (17. basım) AtıfBritish Sulphur Corporation, ltd. Minerals and Metals Intelligence Unit. Rhodesia: A Special Survey of the Mining Industry. London: British Sulphur Corporation, Minerals and Metals Intelligence Unit, 1972.
MLA (8th ed.) AtıfBritish Sulphur Corporation, ltd. Minerals and Metals Intelligence Unit. Rhodesia: A Special Survey of the Mining Industry. British Sulphur Corporation, Minerals and Metals Intelligence Unit, 1972.
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