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| Readers' FAQ |
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Many Wikipedia articles have anInternational Standard Book Number (ISBN) alongside thebibliographical entry for each book. Clicking on thelinked 10- or 13-digit number links toWP:Book sources. This shows whether the particular book is listed in alibrary catalogue, atWorldCat, atGoogle Books, at major booksellers, or at other websites.
An example of a bibliographical entry as a reference or a suggestion for further reading would look like this:
The ISBN might lack hyphens between the digits, or it might contain spaces between the digits. Either way it should provide the link toWP:Book sources. Note that different editions of the same book may have different ISBNs. Also, books published prior to the 1970s do not have ISBNs, unless subsequently reprinted.
|isbn= inside{{cite book}} and similar citation templates.Wikipedia:ISBN describes in detail how to add an ISBN to an article.