1.
, . Current british directories. Beckenham: CBD Research; 1993.
et . Current british directories. Beckenham : CBD Research, 24 mai 1993. ISBN 0-900246-60-X
Murphy Sheila & Henderson Crispin A. (1993). Current british directories: A guide to directories published in the British Isles. CBD Research.
Style de citation MLA (8e éd.)Murphy Sheila et Henderson Crispin A. Current British Directories: A Guide to Directories Published in the British Isles. CBD Research, 1993.
Attention : ces citations peuvent ne pas être correctes à 100%.