Παραπομπή APA

(2002). Environmentally sound transport planning in Europe. Luxemburg: Office for Official Publications of the European Communities.

Παραπομπή Chicago Style

Environmentally Sound Transport Planning in Europe. Luxemburg: Office for Official Publications of the European Communities, 2002.

Παραπομπή MLA

Environmentally Sound Transport Planning in Europe. Luxemburg: Office for Official Publications of the European Communities, 2002.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.