An index to dialect maps of Great Britain /
by Andreas Fischer and Daniel Ammann.

APA Citation

Fischer, A., Ammann, D. (1991). An index to dialect maps of Great Britain. Amsterdam: J. Benjamins Pub. Co..

MLA Citation

Fischer, Andreas, 1947-, and Daniel Ammann. An Index to Dialect Maps of Great Britain. Amsterdam: J. Benjamins Pub. Co., 1991.

Warning: These citations may not always be complete (especially for serials).