Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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