Institution, 8. B. S. (1959). Nickel-copper alloy casting. London : BSI.
Dyfyniad Arddull ChicagoInstitution, 8096 British Standards. Nickel-copper Alloy Casting. London : BSI, 1959.
Dyfyniad MLAInstitution, 8096 British Standards. Nickel-copper Alloy Casting. London : BSI, 1959.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.