Não informado. (1970). BIOSIS list of serials with coden, title abbreviations, new, changed and ceased titles. Biosciences Information Service of Biological Abstracts.
Chicago-referens (17:e uppl.)Não informado. BIOSIS List of Serials with Coden, Title Abbreviations, New, Changed and Ceased Titles. Philadelphia, Pa: Biosciences Information Service of Biological Abstracts, 1970.
MLA-referens (8:e uppl.)Não informado. BIOSIS List of Serials with Coden, Title Abbreviations, New, Changed and Ceased Titles. Biosciences Information Service of Biological Abstracts, 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.