Russett, B. M., & By Starr , . H. (1981). World politics: The menu for choice (3rd ed.). Freeman.
Cita Chicago (17th ed.)Russett, Bruce M., i Harvey By Starr. World Politics: The Menu for Choice. 3rd ed. San Francisco: Freeman, 1981.
Cita MLA (9th ed.)Russett, Bruce M., i Harvey By Starr. World Politics: The Menu for Choice. 3rd ed. Freeman, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.