Não informado. (1958). Air Conditioning, Heating and Refrigeration News. Business News Publishing.
Cita Chicago Style (17a ed.)Não informado. Air Conditioning, Heating and Refrigeration News. Troy, Mich: Business News Publishing, 1958.
Cita MLA (8a ed.)Não informado. Air Conditioning, Heating and Refrigeration News. Business News Publishing, 1958.
Precaución: Estas citas no son 100% exactas.