Dyfyniad APA

American Society for Testing and Materials. Standard specification for aluminum and aluminum-alloy bar, rod, and wire.

Dyfyniad Arddull Chicago

American Society for Testing and Materials. Standard Specification for Aluminum and Aluminum-alloy Bar, Rod, and Wire.

Dyfyniad MLA

American Society for Testing and Materials. Standard Specification for Aluminum and Aluminum-alloy Bar, Rod, and Wire.

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