Dyfyniad APA

Knowles, P. (1977). Design of Structural Steelwork. Surrey university.

Dyfyniad Arddull Chicago

Knowles, Peter. Design of Structural Steelwork. London: Surrey university, 1977.

Dyfyniad MLA

Knowles, Peter. Design of Structural Steelwork. Surrey university, 1977.

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