APA (7e ed.) Bronvermelding

Não informado. (1937). Air Conditioning and Refrigeration News. Business News Publishing.

Chicago (17e ed.) Bronvermelding

Não informado. Air Conditioning and Refrigeration News. Troy, Mich: Business News Publishing, 1937.

MLA (8e ed.) Bronvermelding

Não informado. Air Conditioning and Refrigeration News. Business News Publishing, 1937.

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