Não informado. (1937). Beama journal. British Electrical and Allied Manufacturers Association.
Chicagoスタイル(17版)引用形式Não informado. Beama Journal. London: British Electrical and Allied Manufacturers Association, 1937.
MLA(8版)引用形式Não informado. Beama Journal. British Electrical and Allied Manufacturers Association, 1937.
警告: この引用は必ずしも正確ではありません.