ISBN
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/28/EAN-13-ISBN-13.svg/220px-EAN-13-ISBN-13.svg.png)
Ikhowudi ye-ISBN (ephuma kwiNgesi yesiNgesi yaMazwe ngaMazwe Inombolo yeNcwadi, " i-International Reference Number for Books ") yinombolo ye-13-digit yolandelelwano lwamanani olusetyenziswa ngokubanzi kwihlabathi jikelele ekuhleleni iincwadi ; kude kube ngu-2007 ikhowudi yayinamanani ali-10 (eyokugqibela enokuba ngu-X njengo-10 kwiinombolo zamaRoma ), isasetyenziswa ngamaxesha athile.
Ikhowudi ichazwa ngumgangatho we -ISO, ophuma kwikhowudi ye-SBN ye-1967 yesiNgesi. Nangona kunganyanzeliswanga, ukusetyenziswa kwayo ngoku kuye kwaba yinto ebalulekileyo ekubekeni iimveliso zeencwadi kwiitshaneli ezinkulu zokuhambisa . Ikhowudi nganye ye-ISBN ichonga ngokukhethekileyo uhlelo oluthile lwencwadi (kodwa hayi ushicilelo olulula, olugcina ikhowudi efanayo noshicilelo olubhekisa kulo) kwaye, yakuba yabelwe, ayinakuphinda isetyenziswe.
Kukwakho neekhowudi zamanani ezifanayo ezifana ne- ISSN yokuhlelwa kweempapasho zamaxesha athile ezifana namaphephandaba okanye iimagazini, okanye i-ISMN yamanqaku omculo.
Ikhowudi idla ngokumelwa kusetyenziswa ifonti ye-OCR-B.