NICHOLAS, H. L. (1876). Moving the earth: The workbook of excavation Ed.3. Mc Graw Hill.
Chicagoスタイル(17版)引用形式NICHOLAS, Herbert L. Moving the Earth: The Workbook of Excavation Ed.3. Mc Graw Hill, 1876.
MLA(8版)引用形式NICHOLAS, Herbert L. Moving the Earth: The Workbook of Excavation Ed.3. Mc Graw Hill, 1876.
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