Lua APA (7ú heag.)
Kegley, C. W., & Wittkopf, E. R. (1993). World politics: Trend and transformation (4th ed.). St. Martin's Press.
Lua i Stíl Chicago (17ú heag.)
Kegley, Charles W., agus Eugene R. Wittkopf. World Politics: Trend and Transformation. 4th ed. New York: St. Martin's Press, 1993.
Lua MLA (9ú heag.)
Kegley, Charles W., agus Eugene R. Wittkopf. World Politics: Trend and Transformation. 4th ed. St. Martin's Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.