Não informado. (1963). Welding in the world. International Institute of Welding.
Style de citation Chicago (17e éd.)Não informado. Welding in the World. London: International Institute of Welding, 1963.
Style de citation MLA (8e éd.)Não informado. Welding in the World. International Institute of Welding, 1963.
Attention : ces citations peuvent ne pas être correctes à 100%.