American Society for Testing and Materials. (1971). 1971 annual book of ASTM standards. American Society for Testing and Materials.
Chicago-referens (17:e uppl.)American Society for Testing and Materials. 1971 Annual Book of ASTM Standards. Philadelphia: American Society for Testing and Materials, 1971.
MLA-referens (9:e uppl.)American Society for Testing and Materials. 1971 Annual Book of ASTM Standards. American Society for Testing and Materials, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.