ISBN

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.