TY  - BOOK
AU  - Wallwork,J.F.
TI  - Language and linguistics: an introduction to the study of language 
SN  - 0435109197
AV  - P121.W35 
PY  - 1987///
CY  - London
PB  - Heinemann Educational
KW  - Linguistics
N1  - Includes index; Bibliography: p. 197-200
ER  -