TY  - BOOK
AU  - Halliday,M.A.K.
TI  - Spoken and written language
T2  - Language education
SN  - 0-19-437153-0
U1  - 410 20
PY  - 1989///
CY  - Oxford
PB  - Oxford University Press
KW  - Linguistics
KW  - Lingüística inglesa
N1  - Bibliography: p104-107. - Includes index
ER  -