Dyfyniad APA

Cement and Concrete Association (Great Britain). (1968). Kingston Bridge, Glasgow. the Association.

Dyfyniad Arddull Chicago

Cement and Concrete Association (Great Britain). Kingston Bridge, Glasgow. London: the Association, 1968.

Dyfyniad MLA

Cement and Concrete Association (Great Britain). Kingston Bridge, Glasgow. the Association, 1968.

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