TY  - BOOK
AU  - Crystal,David
TI  - English as a global language
SN  - 9780521530323
U1  - 420 CRY 
PY  - 2007///
CY  - Cambridge, New York
PB  - Cambridge University Press
KW  - Global English
KW  - Saggi
KW  - Lingua inglese
KW  - Paesi esteri
N1  - Includes bibliographical references (p.192-201) and index
ER  -