000 00308nam a22001217a 4500
999 _c39514
_d39514
020 _a9780631225409
100 _aWardhaugh , Ronald
245 _aAn Introduction to Socialinguistics
_cBy Ronald Wardhaugh
250 _a4th
260 _aUSA :
_bBlackwell ,
_c2005.
300 _avi, 408p.
942 _2ddc
_cBK