TY  - BOOK
AU  - Biddle B J
TI  - Role theory: expectations, identities and behaviors
SN  - 0-12-095950-X
U1  - 302.15 
PY  - 1979///
CY  - New York
PB  - Academic Press
KW  - Role theory
KW  - Social psychology
KW  - Social role
ER  -