Cita APA (7th ed.)

Kegley, C. W., Jr. (2009). World politics: Trend and transformation (12th ed.). Wadsworth Cengage Learning.

Cita Chicago (17th ed.)

Kegley, Charles W., Jr. World Politics: Trend and Transformation. 12th ed. Australia: Wadsworth Cengage Learning, 2009.

Cita MLA (9th ed.)

Kegley, Charles W., Jr. World Politics: Trend and Transformation. 12th ed. Wadsworth Cengage Learning, 2009.