Cita APA (7a ed.)
(1990). External prestressing in bridges: International Symposium. American Concrete Institute.
Cita Chicago Style (17a ed.)
External Prestressing in Bridges: International Symposium. Michigan: American Concrete Institute, 1990.
Cita MLA (9a ed.)
External Prestressing in Bridges: International Symposium. American Concrete Institute, 1990.
Precaución: Estas citas no son 100% exactas.