Ritson, C., & Harvey, D. (1997). The common agricultural policy (2nd ed.). CAB International.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ritson, Christopher, και David Harvey. The Common Agricultural Policy. 2nd ed. New York, NY: CAB International, 1997.
Παραπομπή σε μορφή MLA (9th εκδ.)Ritson, Christopher, και David Harvey. The Common Agricultural Policy. 2nd ed. CAB International, 1997.