Não informado. (1970). BIOSIS list of serials with coden, title abbreviations, new, changed and ceased titles. Biosciences Information Service of Biological Abstracts.
Citação do estilo Chicago (17ª ed.)Não informado. BIOSIS List of Serials with Coden, Title Abbreviations, New, Changed and Ceased Titles. Philadelphia, Pa: Biosciences Information Service of Biological Abstracts, 1970.
Citação MLA (8ª ed.)Não informado. BIOSIS List of Serials with Coden, Title Abbreviations, New, Changed and Ceased Titles. Biosciences Information Service of Biological Abstracts, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.