Dyfyniad APA

Powell, S. T. (1954). Water conditioning for industry. McGraw-Hill Book Company.

Dyfyniad Arddull Chicago

Powell, Sheppard T. Water Conditioning for Industry. N.Y: McGraw-Hill Book Company, 1954.

Dyfyniad MLA

Powell, Sheppard T. Water Conditioning for Industry. McGraw-Hill Book Company, 1954.

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