APA (7th ed.) Zitazioa
Standard handbook for civil engineering / Merrit, Frederic S: McGraw Hill 3rd ed (3rd ed.).
Chicago Style (17th ed.) Zitazioa
Standard Handbook for Civil Engineering / Merrit, Frederic S: McGraw Hill 3rd Ed. 3rd ed.
MLA (9th ed.) Zitazioa
Standard Handbook for Civil Engineering / Merrit, Frederic S: McGraw Hill 3rd Ed. 3rd ed.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.