Evans, R., & Bennett, E. W. Pre-stresset concrete: Theory and design.
Chicago Style aipamenaEvans, R.H, and E. W. Bennett. Pre-stresset Concrete: Theory and Design.
MLA aipamenaEvans, R.H, and E. W. Bennett. Pre-stresset Concrete: Theory and Design.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.