Não informado. (1979). BIOSIS previews memo. Biosciences Information Service of Biological Abstracts.
Chicago-referens (17:e uppl.)Não informado. BIOSIS Previews Memo. Philadelphia, Pa: Biosciences Information Service of Biological Abstracts, 1979.
MLA-referens (8:e uppl.)Não informado. BIOSIS Previews Memo. Biosciences Information Service of Biological Abstracts, 1979.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.