Παραπομπή APA
(2002). Leonardo da Vinci: Distance learning. Luxembourg: Office for Official Publ. of the European Communities.
Παραπομπή Chicago StyleLeonardo Da Vinci: Distance Learning. Luxembourg: Office for Official Publ. of the European Communities, 2002.
Παραπομπή MLALeonardo Da Vinci: Distance Learning. Luxembourg: Office for Official Publ. of the European Communities, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.