TY  - BOOK
AU  - 
AU  - 
ED  - Open University.
ED  - 
ED  - 
ED  - 
TI  - : a source book
SN  - 0710074301;071007431X (pbk.)
SN  - 2
PY  - 1972///46
CY  - London ;;Boston
PB  - Routledge and Kegan Paul in association with the Open University Press
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Language and languages.;Sociolinguistics.;Communication
N1  - Includes bibliographies; 5
ER  -