Cita APA (7a ed.)

Symposium on Concrete Shell Roof Construction (2nd: 1-3 July 1957: Oslo) & Aas-Jakobsen, A. (1958). Proceedings. Teknisk Ukeblad.

Cita Chicago Style (17a ed.)

Symposium on Concrete Shell Roof Construction (2nd: 1-3 July 1957: Oslo) y A. Aas-Jakobsen. Proceedings. Oslo: Teknisk Ukeblad, 1958.

Cita MLA (8a ed.)

Symposium on Concrete Shell Roof Construction (2nd: 1-3 July 1957: Oslo) y A. Aas-Jakobsen. Proceedings. Teknisk Ukeblad, 1958.