Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Thomas Purnell and William Idsardi and John Baugh,Perceptual and Phonetic Experiments on American English Dialect Identification,Journal of Language and Social Psychology,0261-927X,SAGE Publications,1999-03,18,1,10-30,https://cir.nii.ac.jp/crid/1363670321328622336,https://doi.org/10.1177/0261927x99018001002