American Society for Testing and Materials. Standard specification for nickel plate, sheet, and strip.
Chicago-referens (17:e uppl.)American Society for Testing and Materials. Standard Specification for Nickel Plate, Sheet, and Strip.
MLA-referens (8:e uppl.)American Society for Testing and Materials. Standard Specification for Nickel Plate, Sheet, and Strip.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.