Howell, H. H. (1859). The geology of the Warwickshire coal-field: And the Permian rocks and Trias of the surrounding district. Longman, Green, Longman, and Roberts.
芝加哥风格引文Howell, Henry Hyatt. The Geology of the Warwickshire Coal-field: And the Permian Rocks and Trias of the Surrounding District. London: Longman, Green, Longman, and Roberts, 1859.
MLA引文Howell, Henry Hyatt. The Geology of the Warwickshire Coal-field: And the Permian Rocks and Trias of the Surrounding District. Longman, Green, Longman, and Roberts, 1859.
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