TY  - BOOK
T1  - Principles of world politics
A1  - Modelski, George
LA  - English
PP  - New York
PB  - The Free Press
YR  - 1972
UL  - https://tuklas.up.edu.ph/Record/UP-99796217606789558
OP  - 370
NO  - General collection}
CN  - JX 1391 M63 1972
KW  - International relations.
ER  -