TY  - BOOK
AU  - Owens,Robert E.JR
TI  - Language development: an introduction
SN  - 9780675208062
AV  - SJMC LB1139.L3O9 
PY  - 1988///
CY  - USA
PB  - Macmillan publishing company
KW  - Language
KW  - Development
N1  - Include bibliographical references and index
ER  -