Symposium on Concrete Shell Roof Construction Oslo. (1958). Proceedings of the second Symposium on Concrete Shell Roof Construction, 1 - 3 July 1957. Teknisk Ukeblad.
Chicago-Zitierstil (17. Ausg.)Symposium on Concrete Shell Roof Construction Oslo. Proceedings of the Second Symposium on Concrete Shell Roof Construction, 1 - 3 July 1957. Oslo: Teknisk Ukeblad, 1958.
MLA-Zitierstil (9. Ausg.)Symposium on Concrete Shell Roof Construction Oslo. Proceedings of the Second Symposium on Concrete Shell Roof Construction, 1 - 3 July 1957. Teknisk Ukeblad, 1958.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.