Παραπομπή APA
European Commission., & Lavalle, C. (2002). Towards an urban atlas: Assessment of spatial data on 25 European cities and urban areas. Luxembourg: Office des Publications Officielles des Communautes europeennes.
Παραπομπή Chicago StyleEuropean Commission., and Carlo Lavalle. Towards an Urban Atlas: Assessment of Spatial Data On 25 European Cities and Urban Areas. Luxembourg: Office des Publications Officielles des Communautes europeennes, 2002.
Παραπομπή MLAEuropean Commission., and Carlo Lavalle. Towards an Urban Atlas: Assessment of Spatial Data On 25 European Cities and Urban Areas. Luxembourg: Office des Publications Officielles des Communautes europeennes, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.