TY  - GEN
AU  - Sadler R K
AU  - Hayllar T A S
AU  - Powell C J
TI  - Language One
SN  - 0333230027 (pbk) :
AV  - PE1460 
U1  - 428 
PY  - 1992///
CY  - London, Melbourne
PB  - Macmillan
KW  - English language
KW  - Composition and exercises
KW  - English Language
N1  - Originally published: 1977
ER  -