TY  - BOOK
ED  - Child Welfare League of America.
TI  - Child Welfare League of America standards for day care service / 
U1  - 362.70973  23 
PY  - 1960/// [reprint 1964]
CY  - New York
PB  - Child Welfare League of America
KW  - Day care centers
KW  - Standards
KW  - United States
N1  - Bibliography: p. 116-118
ER  -