00490nam a2200169 a 450000500170000008200170001710000220003424500560005625000110011226000420012330000150016569000160018096400190019699700180021599900170023395200700025020251203090657.0  a410,bD, Int  aWardhaugh, Ronald  aIntroduction to Linguistics, Ronald Wardhaugh, eng.  a2nd ed  aNew York, McGraw-Hill Book Co.,c1977  aviii,268p.  aLinguistics  bEngcdefg_  a12545 LIBSS C  c16009d16009  00104070aPUbPUd1998-07-16g531.30l0o410, D, Intp12545yBK