TY  - BOOK
AU  - Hamp-Lyons, Liz
AU  - Heasley, Ben
TI  - Study writing : a course in written English for academic and professional purposes
SN  - 0521315581
U1  - 420.73 
PY  - 1987///
CY  - Cambridge.
PB  - Cambridge  University  Press
KW  - Grammar English
ER  -