ISBN, ISMN and ISSN are known as unique machine readable identification numbers which mark any book, musical and periodical edition unmistakably.

ISBN, ISMN and ISSN are the basis for interrelation of three component parts of the print edition-publishing, distribution and trade and library practices.

The number is assigned to a separate edition and the order processing and distribution are fulfilled by means of this numbering.

The information about the print edition is available through the internet by using ISBN, ISMN , ISSN.

ISBN – International Standard Book Number

ISMN  International Standard Music Number

ISSN  International Standard Serial Number