International Standard Book Number: Pabidaan ralatan

s
s (added Category:Panarbit using HotCat)
* [http://www.isbn.org/ ISBN agency for US and Puerto Rico] - R.R. Bowker LLC
* [http://www.isbn-international.org/en/identifiers/allidentifiers.html Numerical List of Group Identifiers] Daftar prefiks bahasa/wilayah
 
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