TY  - BOOK
AU  - Mann, Thomas E.,
TI  - A question of balance: The president, the congress, and foreign policy 
SN  - 081575454x
AV  - JK570 Q84
PY  - 1990///
CY  - Washington
PB  - Brookings Institution
KW  - Estados Unidos
KW  - Congress
KW  - Presidentes
KW  - Relaciones exteriores
ER  -