Não informado. (1970). BIOSIS list of serials with coden, title abbreviations, new, changed and ceased titles. Biosciences Information Service of Biological Abstracts.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. BIOSIS List of Serials with Coden, Title Abbreviations, New, Changed and Ceased Titles. Philadelphia, Pa: Biosciences Information Service of Biological Abstracts, 1970.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. BIOSIS List of Serials with Coden, Title Abbreviations, New, Changed and Ceased Titles. Biosciences Information Service of Biological Abstracts, 1970.
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