Dyfyniad APA

British Standards Institution. (1978). Specification for mild steel and tinplate drums (light duty: Fixed ends). British Standards Institution.

Dyfyniad Arddull Chicago

British Standards Institution. Specification for Mild Steel and Tinplate Drums (light Duty: Fixed Ends). London: British Standards Institution, 1978.

Dyfyniad MLA

British Standards Institution. Specification for Mild Steel and Tinplate Drums (light Duty: Fixed Ends). British Standards Institution, 1978.

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