Παραπομπή σε μορφή APA (7η εκδ.)

European Commission, Gutierrez Martin, C., & Berbel Vecino, J. (2004). Sustainability of European irrigated agriculture under water framework directive and agenda 2000 Wadi. European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission, Carlos Gutierrez Martin, και Julio Berbel Vecino. Sustainability of European Irrigated Agriculture Under Water Framework Directive and Agenda 2000 Wadi. Brussels: European Communities, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission, et al. Sustainability of European Irrigated Agriculture Under Water Framework Directive and Agenda 2000 Wadi. European Communities, 2004.