Não informado. (1958). Air Conditioning, Heating and Refrigeration News. Business News Publishing.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Air Conditioning, Heating and Refrigeration News. Troy, Mich: Business News Publishing, 1958.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Air Conditioning, Heating and Refrigeration News. Business News Publishing, 1958.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.