Dyfyniad APA

Lewis, D. S., & Slater, W. (2009). The annual register: World events 2008 (250th ed.). ProQuest.

Dyfyniad Arddull Chicago

Lewis, D. S., and Wendy Slater. The Annual Register: World Events 2008. 250th ed. Bethesda, Md: ProQuest, 2009.

Dyfyniad MLA

Lewis, D. S., and Wendy Slater. The Annual Register: World Events 2008. 250th ed. ProQuest, 2009.

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