1. European Committee for Standardization (CEN). EN 1990:2002: Eurocode: Basis of Structural Design, Brussels: 2002, p. 91–100.
2. 318. building code requirements for structural concrete (ACI 318–19): an ACI standard; Commentary on Building Code Requirements for Structural Concrete (ACI 318R–19);Committee,2019
3. AS3600-2018 Concrete Structures. Sydney: Standards Australia; 2018.
4. Fédération Internationale du Béton (FIB). fib Model Code for Concrete Structures 2010. Berlin, Germany: Ernst & Sohn; 2013.
5. European Concrete Platform. Eurocode 2 Commentary. Brussels: 2008.