British Library. National Bibliographic Service. (1991). Select: The newsletter of the National Bibliographic Service. British Library National Bibliographic Service.
Chicago-Zitierstil (17. Ausg.)British Library. National Bibliographic Service. Select: The Newsletter of the National Bibliographic Service. London: British Library National Bibliographic Service, 1991.
MLA-Zitierstil (9. Ausg.)British Library. National Bibliographic Service. Select: The Newsletter of the National Bibliographic Service. British Library National Bibliographic Service, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.