International Conference on Methods in Dialectology (6th : 1987 : University College of North Wales) & Thomas, A. R. (1988). Methods in dialectology: Proceedings of the Sixth International Conference held at the University College of North Wales, 3rd-7th August 1987. Multilingual Matters.
Čikaški stil citiranja (17. izdanje)International Conference on Methods in Dialectology (6th : 1987 : University College of North Wales) i Alan R. Thomas. Methods in Dialectology: Proceedings of the Sixth International Conference Held at the University College of North Wales, 3rd-7th August 1987. Clevedon, Avon, Eng: Multilingual Matters, 1988.
MLA način citiranja (9. izdanje)International Conference on Methods in Dialectology (6th : 1987 : University College of North Wales) i Alan R. Thomas. Methods in Dialectology: Proceedings of the Sixth International Conference Held at the University College of North Wales, 3rd-7th August 1987. Multilingual Matters, 1988.