Dyfyniad APA

American Society for Testing and Materials. (2004). Annual Book of ASTM Standards 2004: : plastics. ASTM International.

Dyfyniad Arddull Chicago

American Society for Testing and Materials. Annual Book of ASTM Standards 2004: : Plastics. W.Conshohocken: ASTM International, 2004.

Dyfyniad MLA

American Society for Testing and Materials. Annual Book of ASTM Standards 2004: : Plastics. ASTM International, 2004.

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