Não informado. (1959). Automatic Welding. British Welding Research Association.
Style de citation Chicago (17e éd.)Não informado. Automatic Welding. London: British Welding Research Association, 1959.
Style de citation MLA (8e éd.)Não informado. Automatic Welding. British Welding Research Association, 1959.
Attention : ces citations peuvent ne pas être correctes à 100%.