Não informado. (1978). The Structural Engineer. Institution of Structural Engineers.
Chicago-Zitierstil (17. Ausg.)Não informado. The Structural Engineer. London: Institution of Structural Engineers, 1978.
MLA-Zitierstil (8. Ausg.)Não informado. The Structural Engineer. Institution of Structural Engineers, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.