Wittfoht, H. (1967). Considerations on the cross-sectional design of prestressed concrete bridges with reference to bridges built in 1960. Cement and Concrete Association.
Citazione stile Chigago Style (17a edizione)Wittfoht, H. Considerations on the Cross-sectional Design of Prestressed Concrete Bridges with Reference to Bridges Built in 1960. London: Cement and Concrete Association, 1967.
Citatione MLA (8a ed.)Wittfoht, H. Considerations on the Cross-sectional Design of Prestressed Concrete Bridges with Reference to Bridges Built in 1960. Cement and Concrete Association, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.