ISBN (International Standard Book Number) / 国际标准书号

ISBN (International Standard Book Number) / 国际标准书号 ：http://www.isbn.org/standards/home/index.asp

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ISMN (International Standard Music Number) / 国际标准乐谱号 ：

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ISRC (International Standard Recording Code) / 国际标准音像制品号 ：http://www.ifpi.org/content/section_resources/isrc.html/

,,,0.0.0.0 56992,205,

ISSN (International Standard Serial Number) / 国际标准连续出版物号： http://www.issn.org/ 

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ISO 8459-2:1992: Information and documentation -- Bibliographic data element directory -- Part 2: Acquisitions applications / 书目数据元素目录（采访应用部分）（术语） ：http://www.iso.org/iso/home.html

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AddAll Book Search and Price Comparison :http://www.addall.com/

--Information Sources / 信息源