Hazleton, J. E. (1970). The economics of the sulphur industry. London: Resources For The Future, Inc.
シカゴスタイル引用形Hazleton, Jared E. The Economics of the Sulphur Industry. London: Resources For The Future, Inc, 1970.
MLA引用形式Hazleton, Jared E. The Economics of the Sulphur Industry. London: Resources For The Future, Inc, 1970.
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