A gbodo se eyi ni idapo pelu gbigbe awon ohun bii fifun omo loyan, fifo owo eni, ati lilo omi to mo ati imototo laruge.. 
International Standard Book Number (ISBN) jẹ́ àìlẹ́gbẹ́ oùnka tí wọ́n fi ń dá ìwé mọ́.. 