TY  - BOOK
T1  - Principles of world politics
A1  - Modelski, George
LA  - English
PP  - New York
PB  - Free Press
YR  - 1972
UL  - https://tuklas.up.edu.ph/Record/UP-1685523046125156515
OP  - 370
CN  - JX1391 M56
KW  - International relations.
ER  -