Walters, W. T. (1939). Steam and hot water fitting. American technical society.
Chicagoスタイル(17版)引用形式Walters, William Thomas. Steam and Hot Water Fitting. Chicago,: American technical society, 1939.
MLA(8版)引用形式Walters, William Thomas. Steam and Hot Water Fitting. American technical society, 1939.
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