TY  - BOOK
AU  - Roskin,Michael
TI  - Countries and concepts: an introduction to comparative politics 
SN  - 0-13-184325-7
U1  - 320.3 19
PY  - 1982///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Comparative government
KW  - Política
KW  - Teoría
N1  - Includes bibliographies and index
ER  -