TY  - BOOK
AU  - Harding,Keith
TI  - English for specific purposes
SN  - 9780194425759
U1  - 428.2407 
PY  - 2007///
CY  - China
PB  - Oxford University Press
UR  - http://books.google.com.ec/books/about/English_for_Specific_Purposes.html?id=d8_USAAACAAJ&redir_esc=y
ER  -