Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.