Kegley, C. W. (2007). World politics: trend and: Transformations. Thomson Wadsworth.
Lua i Stíl Chicago (17ú heag.)Kegley, Charles W. World Politics: Trend and: Transformations. South bank, Victoria: Thomson Wadsworth, 2007.
Lua MLA (9ú heag.)Kegley, Charles W. World Politics: Trend and: Transformations. Thomson Wadsworth, 2007.
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