Humber, W. A complete treatise on cast and wrought iron bridge construction, including iron foundations. Lockwood.
Chicago-Zitierstil (17. Ausg.)Humber, William. A Complete Treatise on Cast and Wrought Iron Bridge Construction, Including Iron Foundations. London: Lockwood.
MLA-Zitierstil (9. Ausg.)Humber, William. A Complete Treatise on Cast and Wrought Iron Bridge Construction, Including Iron Foundations. Lockwood.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.