Não informado. (1937). Beama journal. British Electrical and Allied Manufacturers Association.
Style de citation Chicago (17e éd.)Não informado. Beama Journal. London: British Electrical and Allied Manufacturers Association, 1937.
Style de citation MLA (8e éd.)Não informado. Beama Journal. British Electrical and Allied Manufacturers Association, 1937.
Attention : ces citations peuvent ne pas être correctes à 100%.