Music ( performed ) : audio English accents and dialects : an introduction to social and regional varieties of British English / Arthur Hughes and Peter Trudgill. -- 2nd ed. -- London ; Baltimore, Md., U.S.A. : E. Arnold , c1987. -- 1 sound cassette. -- ISBN 0713165073 ; (BA04426915) ; https://ci.nii.ac.jp/ncid/BA04426915 Author Heading(s): Hughes, Arthur ; Trudgill, Peter. -- Classification(s): LCC : PE1711 ; DC19 : 427/.941. -- Subject Heading(s): LCSH : English language -- Dialects -- Great Britain ; LCSH : English language -- Social aspects -- Great Britain ; LCSH : English language -- Variation ; LCSH : English language -- Great Britain