@book{
title = {Wir gehen auf Bärenjagd},
author = {Rosen, Michael},
editor = {Oxenbury, Helen},
editor = {Età: dai 0 ai 5 anni },
year = {2002},
edition = {Überarbeitete Nachaufl},
address = {Aarau [etc.] },
publisher = {Sauerländer},
}