Παραπομπή σε μορφή APA (7η εκδ.)

(2001). Criteria for the Spatial Diffentation of the EU Territory: Geographical Position: Study Programme on European Spatial Planning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Criteria for the Spatial Diffentation of the EU Territory: Geographical Position: Study Programme on European Spatial Planning. Bonn, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

Criteria for the Spatial Diffentation of the EU Territory: Geographical Position: Study Programme on European Spatial Planning. 2001.