APA aipamena

(1994). Structural Steel Designer's Handbook Roger L. Backenbrough, Frederick's Merritt. McGraw-Hill.

Chicago Style aipamena

Structural Steel Designer's Handbook Roger L. Backenbrough, Frederick's Merritt. McGraw-Hill, 1994.

MLA aipamena

Structural Steel Designer's Handbook Roger L. Backenbrough, Frederick's Merritt. McGraw-Hill, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.