Dyfyniad APA

(1985). British Standards Strucural use of Concrete. British Standards Institution.

Dyfyniad Arddull Chicago

British Standards Strucural Use of Concrete. London: British Standards Institution, 1985.

Dyfyniad MLA

British Standards Strucural Use of Concrete. British Standards Institution, 1985.

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