British Library Reference Division. (1983). Librarian's guide to the British Library Reference Division services (Issue 1.).
Chicago-Zitierstil (17. Ausg.)British Library Reference Division. Librarian's Guide to the British Library Reference Division Services. Issue 1. London, 1983.
MLA-Zitierstil (9. Ausg.)British Library Reference Division. Librarian's Guide to the British Library Reference Division Services. Issue 1. 1983.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.