Dyfyniad APA

Smith, R. E. (2007). Electricity for refrigeration, heating and air conditioning. Clifton Park, NY: Thomson Delmar Learning.

Dyfyniad Arddull Chicago

Smith, Russell E. Electricity for Refrigeration, Heating and Air Conditioning. Clifton Park, NY: Thomson Delmar Learning, 2007.

Dyfyniad MLA

Smith, Russell E. Electricity for Refrigeration, Heating and Air Conditioning. Clifton Park, NY: Thomson Delmar Learning, 2007.

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