TY  - BOOK
AU  - Ingram, David
TI  - First language acquisition: method, description, andexplanation
SN  - 0-521-34916-8
U1  - 401.5 
PY  - 1992///
CY  - Cambridge
PB  - Cambridge
KW  - Language- Aquistion
KW  - Language- Study and teaching
N1  - Includes bibliographical references and index
ER  -