Ray, J. L. (1995). Global politics (6th ed.). Houghton Mifflin.
Cita Chicago (17th ed.)Ray, James Lee. Global Politics. 6th ed. Boston: Houghton Mifflin, 1995.
Cita MLA (8th ed.)Ray, James Lee. Global Politics. 6th ed. Houghton Mifflin, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.