TY  - BOOK
AU  - Hyman H H
AU  - Singer Eleanor
TI  - Readings in reference group theory and research
U1  - 302.5072 
PY  - 1968///
CY  - London
PB  - Collier-Macmillan
KW  - Group theory
KW  - Reference groups-research
KW  - Social psychology
ER  -