APA استشهاد

Gaylord,Edwin H et al. (1992). Design of steel structure. (3rd.). McGraw-Hill.

استشهاد بنمط شيكاغو

Gaylord,Edwin H et al. Design of Steel Structure. 3rd. London: McGraw-Hill, 1992.

MLA استشهاد

Gaylord,Edwin H et al. Design of Steel Structure. 3rd. McGraw-Hill, 1992.