Não informado. (1978). Serial sources for the BIOSIS data base. Biosciences Information Service of Biological Abstracts.
Chicago-referens (17:e uppl.)Não informado. Serial Sources for the BIOSIS Data Base. Philadelphia, Pa: Biosciences Information Service of Biological Abstracts, 1978.
MLA-referens (8:e uppl.)Não informado. Serial Sources for the BIOSIS Data Base. Biosciences Information Service of Biological Abstracts, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.