Cita APA (7th ed.)

American Society for Testing Materials. Standard specification for copper-beryllium alloy rod and bar.

Cita Chicago (17th ed.)

American Society for Testing Materials. Standard Specification for Copper-beryllium Alloy Rod and Bar.

Cita MLA (8th ed.)

American Society for Testing Materials. Standard Specification for Copper-beryllium Alloy Rod and Bar.

Atenció: Aquestes cites poden no estar 100% correctes.