Wells, F. J. (1975). The long-run availability of phosphorus: A case study in mineral resource analysis. Published for Resources for the Future by the Johns Hopkins University Press.
Style de citation Chicago (17e éd.)Wells, Frederick J. The Long-run Availability of Phosphorus: A Case Study in Mineral Resource Analysis. Baltimore: Published for Resources for the Future by the Johns Hopkins University Press, 1975.
Style de citation MLA (8e éd.)Wells, Frederick J. The Long-run Availability of Phosphorus: A Case Study in Mineral Resource Analysis. Published for Resources for the Future by the Johns Hopkins University Press, 1975.
警告：這些引文格式不一定是100％准確.