"सहायता:आई एस बी एन": अवतरणों में अंतर
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पंक्ति 20:
==See also==
*[[Special:BookSources]], for manually entering an ISBN
==External links==
* [http://www.isbn-international.org International ISBN Agency]—coordinates and supervises the worldwide use of the ISBN system.
* [http://www.isbn-international.org/page/ranges Numerical List of Group Identifiers] List of language/region prefixes
* [http://www.isbn.org/converterpub.asp Free conversion tool: ISBN-10 to ISBN-13 & ISBN-13 to ISBN-10] from the [http://www.isbn.org/ ISBN agency]. Also shows correct hyphenation & verifies if ISBNs are valid or not.
[[Category:Reader help]]
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