TY  - BOOK
AU  - Singleton,David Michael
AU  - Ryan,Lisa
TI  - Language acquisition: the age factor 
T2  - Second language acquisition
SN  - 1853597570
AV  - P118.65 S563L 2004
PY  - 2004///
CY  - Clevedon
PB  - Multilingual Matters
KW  - LANGUAGE ACQUISITION
KW  - AGE FACTORS
N1  - Includes bibliographical references and index
ER  -