Variation in linguistic systems /
Walker, James A.
Variation in linguistic systems / James A. Walker. - 1st ed. - New York : Routledge, 2010. - xviii, 158 p.
0415990684 :
Language and languages--Variation.
Variation in linguistic systems / James A. Walker. - 1st ed. - New York : Routledge, 2010. - xviii, 158 p.
0415990684 :
Language and languages--Variation.