Tohutoro APA (7th ed.)
Smith, R. E. Electricity for Refrigeration, Heating and Air Conditioning (6a edición.). Thomson : Delmar.
Tohutoru Kātū Chicago (17th ed.)
Smith, Russell E. Electricity for Refrigeration, Heating and Air Conditioning. 6a edición. Clifton Park, EUA: Thomson : Delmar.
Tohutoro MLA (9th ed.)
Smith, Russell E. Electricity for Refrigeration, Heating and Air Conditioning. 6a edición. Thomson : Delmar.
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