APA (7th ed.) Zitazioa
Concrete engineer's handbook / The Concrete Association of India: T. C. A. I.
Chicago Style (17th ed.) Zitazioa
Concrete Engineer's Handbook / The Concrete Association of India: T. C. A. I.
MLA (9th ed.) Zitazioa
Concrete Engineer's Handbook / The Concrete Association of India: T. C. A. I.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.