Dyfyniad APA

Norman, W. S. (1961). Absorption, distillation and cooling towers. John Wiley.

Dyfyniad Arddull Chicago

Norman, W. S. Absorption, Distillation and Cooling Towers. New York, USA: John Wiley, 1961.

Dyfyniad MLA

Norman, W. S. Absorption, Distillation and Cooling Towers. John Wiley, 1961.

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