Evans, R., & Bennett, E. W. Pre-stresset concrete: Theory and design.
Cita Chicago (17th ed.)Evans, R.H, i E. W. Bennett. Pre-stresset Concrete: Theory and Design.
Cita MLA (8th ed.)Evans, R.H, i E. W. Bennett. Pre-stresset Concrete: Theory and Design.
Atenció: Aquestes cites poden no estar 100% correctes.