mdf ISBN

ISBN (анг.: International Standard Book Number) — масторъётконь стандартнай книгань номерсь^[1].

Тага ватт

ISBN Users' Manual, International Edition (PDF) (6th ed.). London: International ISBN Agency. 2012. p. 23. ISBN 978-92-95055-02-5. (анг.)
Bradley, Philip (1992). Book numbering: The importance of the ISBN (PDF). The Indexer. pp. 25–26. Архивонь ёткста the original (PDF) 2021-02-21. Retrieved 2021-09-09. (анг.)
Manwal ghall-Utenti tal-ISBN (PDF) (6th ed.). Malta: Kunsill Nazzjonali tal-Ktieb. 2016. p. 5. ISBN 978-99957-889-4-0. (анг.)
Haney, Robert; Ballantine, David; Elliott, Jonathan (1974). Woodstock Handmade Houses. web.archive.org (1st ed.). Ballantine. ISBN 978-0-345-24223-5. (анг.)
Splane, Lily (2002). The book book : a complete guide to creating a book on your computer (2nd ed.). San Diego, Calif.: Anaphase II. ISBN 0-945962-14-2. OCLC 54527545. (анг.)

ISO 2108:2017 – International Standard Book Number (ISBN) (анг.)
International ISBN Agency (анг.)
Richard Charkin (17 July 2015). "'It was an idea whose time had come.' David Whitaker on the birth of ISBN". International Publishers Association. Архивонь ёткста the original 20 April 2020. Retrieved 9 September 2021. (анг.)
US ISBN Agency. "Bowker.com – Products". Commerce.bowker.com. Архивонь ёткста the original 2003-12-19. Retrieved 2021-09-09. (анг.)
Gregory, Daniel. "ISBN". PrintRS. (анг.)