SpringerLink (Online service) & Scheerens, J. (2009). Informal Learning of Active Citizenship at School: An International Comparative Study in Seven European Countries. Springer Netherlands.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service) και Jaap Scheerens. Informal Learning of Active Citizenship at School: An International Comparative Study in Seven European Countries. Dordrecht: Springer Netherlands, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service) και Jaap Scheerens. Informal Learning of Active Citizenship at School: An International Comparative Study in Seven European Countries. Springer Netherlands, 2009.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.