@book{
title = {The fox and the crow },
author = {Mackinnon, Mairi},
editor = {Aesopus},
editor = {Martínez, Rocío},
editor = {Con breve apparato didattico },
editor = {Età: dai 5 ai 10 anni },
year = {2007},
address = {London },
publisher = {Usborne},
}