APA (7e ed.) Bronvermelding

Não informado. (1958). Air Conditioning, Heating and Refrigeration News. Business News Publishing.

Chicago (17e ed.) Bronvermelding

Não informado. Air Conditioning, Heating and Refrigeration News. Troy, Mich: Business News Publishing, 1958.

MLA (8e ed.) Bronvermelding

Não informado. Air Conditioning, Heating and Refrigeration News. Business News Publishing, 1958.

Let op: Deze citaties zijn niet altijd 100% accuraat.