Não informado. (2022). Handbook, Bureau of Standards. Government Printing Office.
Chicago-referens (17:e uppl.)Não informado. Handbook, Bureau of Standards. Washington: Government Printing Office, 2022.
MLA-referens (8:e uppl.)Não informado. Handbook, Bureau of Standards. Government Printing Office, 2022.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.