TY  - BOOK
AU  - Griffiths , Martin.
AU  - Callaghan,Terry O.
AU  - Roach,Steven C
TI  - International relations: : the key concepts
SN  - 9780415844949
U1  - 327.03 
PY  - 2002///
CY  - London
PB  - : Routledge
KW  - International relation
KW  - Handbooks, manuals
ER  -