TY  - BOOK
AU  - Ekeh,Peter P.
TI  - Social exchange theory: the two traditions 
SN  - 0435822756 :
U1  - 301 23
PY  - 1974///
CY  - London
PB  - Heinemann Educational
KW  - Sociology
KW  - Social psychology
N1  - Includes Bibliographical References and Index
ER  -