Não informado. Highways Design and Construction. IPC Building and Contract Journals.
Chicago-Zitierstil (17. Ausg.)Não informado. Highways Design and Construction. London: IPC Building and Contract Journals.
MLA-Zitierstil (8. Ausg.)Não informado. Highways Design and Construction. IPC Building and Contract Journals.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.