@book{
title = {Tock, tock, wer klopft da?},
author = {Flad, Antje},
editor = {In cop.: +18 Monate },
editor = {V. cartonato e animato },
editor = {Età: dai 0 ai 5 anni },
year = {2019},
edition = {8. Aufl},
address = {Münster },
publisher = {Coppenrath},
}