TY  - BOOK
AU  - Langan, J.
TI  - Sentence skills: a workbook for writers
SN  - 9780070363441
AV  - DUCE PE144 L353 
PY  - 1990///
CY  - New York
PB  - Mc Graw - Hill.
N1  - includes an appendixes and  index
ER  -