Melis, Daniela.
Pronti... via!: quaderno degli esercizi : workbook /
Daniela Melis, Barbara Cooper 
. - New Haven : London : Yale University Press,  2007 
. - 121 p.  ill.  28 cm.  2 CD-ROM 
<br/><label>  ISBN: </label>978-0-300-10843-9