Hazleton, J. E. (1970). The economics of the sulphur industry. London: Resources For The Future, Inc.
Trích dẫn kiểu ChicagoHazleton, Jared E. The Economics of the Sulphur Industry. London: Resources For The Future, Inc, 1970.
MLA引文Hazleton, Jared E. The Economics of the Sulphur Industry. London: Resources For The Future, Inc, 1970.
警告:這些引文格式不一定是100%准確.