Não informado. (1978). The Structural Engineer. Institution of Structural Engineers.
Style de citation Chicago (17e éd.)Não informado. The Structural Engineer. London: Institution of Structural Engineers, 1978.
Style de citation MLA (8e éd.)Não informado. The Structural Engineer. Institution of Structural Engineers, 1978.
Attention : ces citations peuvent ne pas être correctes à 100%.