Não informado. (2002). Durham working papers in linguistics. University of Durham, Department of Linguistics and English Language.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Durham Working Papers in Linguistics. Durham, Inglaterra: University of Durham, Department of Linguistics and English Language, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Durham Working Papers in Linguistics. University of Durham, Department of Linguistics and English Language, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.