Hartop, H. (1843). A paper on the relative properties of iron, made by the use of cold and hot air blast, in the smelting furnace: Read before the West-Riding Geological and Polytechnic Society, July, 1842. [s.n.].
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Hartop, Henry. A Paper on the Relative Properties of Iron, Made by the Use of Cold and Hot Air Blast, in the Smelting Furnace: Read Before the West-Riding Geological and Polytechnic Society, July, 1842. Leeds: [s.n.], 1843.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Hartop, Henry. A Paper on the Relative Properties of Iron, Made by the Use of Cold and Hot Air Blast, in the Smelting Furnace: Read Before the West-Riding Geological and Polytechnic Society, July, 1842. [s.n.], 1843.
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