TY  - BOOK
AU  - Altarriba,Jeanette
AU  - Heredia,Roberto R.
TI  - An introduction to bilingualism: principles and practies 
SN  - 9780805851359 (hbk.)
PY  - 2008///
CY  - New York
PB  - Lawrence Erlbaum Associates
KW  - Bilingualism
N1  - Includes bibliographical references and indexes
ER  -