GERWICK, B. C. (1992). Construction Of Presstressed Concrete Structures. John Willey & Sons.
Chicago Style aipamenaGERWICK, Ben C. Construction Of Presstressed Concrete Structures. John Willey & Sons, 1992.
MLA aipamenaGERWICK, Ben C. Construction Of Presstressed Concrete Structures. John Willey & Sons, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.