Não informado. (1957). Chemical abstracts. Collective index: Authors. American Chemical Society.
Chicago-referens (17:e uppl.)Não informado. Chemical Abstracts. Collective Index: Authors. Columbus, Ohio: American Chemical Society, 1957.
MLA-referens (8:e uppl.)Não informado. Chemical Abstracts. Collective Index: Authors. American Chemical Society, 1957.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.