Não informado. (1958). Air Conditioning, Heating and Refrigeration News. Business News Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Air Conditioning, Heating and Refrigeration News. Troy, Mich: Business News Publishing, 1958.
Lua MLA (8ú heag.)Não informado. Air Conditioning, Heating and Refrigeration News. Business News Publishing, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.