Dyfyniad APA

(2007). World politics 06/07. United States of America: McGraw-Hill Contemporary Learning Series.

Dyfyniad Arddull Chicago

World Politics 06/07. United States of America: McGraw-Hill Contemporary Learning Series, 2007.

Dyfyniad MLA

World Politics 06/07. United States of America: McGraw-Hill Contemporary Learning Series, 2007.

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