Não informado. (1934). Highways, Bridges and Engineering Works. IPC Building and Contract Journals.
Chicago-Zitierstil (17. Ausg.)Não informado. Highways, Bridges and Engineering Works. London: IPC Building and Contract Journals, 1934.
MLA-Zitierstil (8. Ausg.)Não informado. Highways, Bridges and Engineering Works. IPC Building and Contract Journals, 1934.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.