Dyfyniad APA

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

Dyfyniad Arddull Chicago

Powell, Sheppard T. Water Conditioning for Industry. Nueva York: McGraw-Hill, 1954.

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.