TY  - BOOK
AU  - Waardhaugh Ronald
TI  - Investigating language :  central problems in linguistics
T2  - Language library
U1  - P, N31 
PY  - 1993///
CY  - Oxford
PB  - Blackwell       
KW  - LINGUISTICS
N1  - Glosary 264-72p; Includes index
ER  -