TY  - BOOK
AU  - Coyle,David Cushman
TI  - The United States political system
PY  - 1954///
CY  - New York : 
PB  - A Signet Key Book, 
KW  - Politica
KW  - Doctrinas Politicas
KW  - Estados Unidos De America
KW  - Sistemas Politicos
ER  -