Παραπομπή σε μορφή APA (7η εκδ.)

Cooper, J. (2005). Global agricultural policy reform and trade: Environmental gains and losses. Elgar.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cooper, Joseph. Global Agricultural Policy Reform and Trade: Environmental Gains and Losses. Cheltenham ; North Hampton: Elgar, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

Cooper, Joseph. Global Agricultural Policy Reform and Trade: Environmental Gains and Losses. Elgar, 2005.