TY  - GEN
AU  - Biddle,Bruce J.
TI  - Role theory: expectations, identities and behaviors 
SN  - 012095950X
PY  - 1979///
CY  - New York, London
PB  - Academic Press
KW  - Social perception
KW  - Social role
N1  - Bibl.: p.349-380. Index
ER  -