- by ISBN. The ISBN will be converted automatically into an ISBN-13 and this ISBN-13 will be looked up.
- by title and/or author
If no references are found, zeteo proposes to look up certain sites ( [1] for ISBN's and various other sites for titles/authors).
- by ISBN. The ISBN will be converted automatically into an ISBN-13 and this ISBN-13 will be looked up.
- by title and/or author
If no references are found, zeteo proposes to look up certain sites ( [1] for ISBN's and various other sites for titles/authors).