Dyfyniad APA

(2000). Code of standard practice for steel buildings and bridges. American Institute of Steel Construction.

Dyfyniad Arddull Chicago

Code of Standard Practice for Steel Buildings and Bridges. Chicago: American Institute of Steel Construction, 2000.

Dyfyniad MLA

Code of Standard Practice for Steel Buildings and Bridges. American Institute of Steel Construction, 2000.

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