APA-Zitierstil (7. Ausg.)

(1980). Guide to government department and other libraries (24. ed.). <<The>> British Library.

Chicago-Zitierstil (17. Ausg.)

Guide to Government Department and Other Libraries. 24. ed. London: <<The>> British Library, 1980.

MLA-Zitierstil (9. Ausg.)

Guide to Government Department and Other Libraries. 24. ed. <<The>> British Library, 1980.