Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cooper, Joseph. Global Agricultural Policy Reform and Trade: Environmental Gains and Losses. Cheltenham, UK; Northampton, MA: Edward Elgar, 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

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