Dyfyniad APA

(2011). Annual report: American government 2010/2011. Dubuque: McGraw-Hill/Dushkin.

Dyfyniad Arddull Chicago

Annual Report: American Government 2010/2011. Dubuque: McGraw-Hill/Dushkin, 2011.

Dyfyniad MLA

Annual Report: American Government 2010/2011. Dubuque: McGraw-Hill/Dushkin, 2011.

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