Dyfyniad APA

Kegley, C. W., & Wittkopf, E. R. (1999). World politics: Trend and transformation (7th ed.). Worth publishers.

Dyfyniad Arddull Chicago

Kegley, Charles W., and Eugene R. Wittkopf. World Politics: Trend and Transformation. 7th ed. America: Worth publishers, 1999.

Dyfyniad MLA

Kegley, Charles W., and Eugene R. Wittkopf. World Politics: Trend and Transformation. 7th ed. Worth publishers, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.