Smith, R. E. (2015). Electricity for refrigeration, heating, and air conditioning. Stamford: Cengage Learning.
Dyfyniad Arddull ChicagoSmith, Russell E. Electricity for Refrigeration, Heating, and Air Conditioning. Stamford: Cengage Learning, 2015.
Dyfyniad MLASmith, Russell E. Electricity for Refrigeration, Heating, and Air Conditioning. Stamford: Cengage Learning, 2015.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.