TY  - BOOK
AU  - Belcher, Diane Dewhurst,
TI  - English for specific purposes in theory and practice
SN  - 9780472033843 
PY  - 2009///
CY  - Ann Arbor
PB  - University of Michigan Press
KW  - English language
KW  - Study and teaching
KW  - Foreign speakers
N1  - Includes bibliographical references and index
ER  -