TY  - GEN
AU  - Mandelbaum, Michael.
TI  - Four ages of American foreign policy: weak power, great power, superpower, hyperpower
SN  - 9788197621790
U1  - 327.73 MAN 
PY  - 2022///
CY  - UK: 
PB  - Oxford,    
KW  - 1. Foreign Relation-UK
ER  -