Dyfyniad APA

Ritson, C., & Harvey, D. (1997). The common agricultural policy (2nd ed.). CAB International.

Dyfyniad Arddull Chicago

Ritson, Christopher, and David Harvey. The Common Agricultural Policy. 2nd ed. New York, NY: CAB International, 1997.

Dyfyniad MLA

Ritson, Christopher, and David Harvey. The Common Agricultural Policy. 2nd ed. CAB International, 1997.

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