Dyfyniad APA

Lewis, D. S., Slater, W., & Clifton, L. (2004). The annual register: A record of world events 2003. Keesing's Worldwide.

Dyfyniad Arddull Chicago

Lewis, D. S., Wendy Slater, and Laura Clifton. The Annual Register: A Record of World Events 2003. Bethesda, Maryland: Keesing's Worldwide, 2004.

Dyfyniad MLA

Lewis, D. S., et al. The Annual Register: A Record of World Events 2003. Keesing's Worldwide, 2004.

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