@book{
title = {Student's book + workbook two},
author = {Spiazzi, Marina},
editor = {Layton, Margaret},
editor = {Tavella, Marina},
editor = {998016576708896 - Performer B1 with PET tutor - 2.1 -  },
editor = {Risorse digitali integrative al sito http://my.zanichelli.it/risorsedigitali },
editor = {In cop.: Watch amd learn!, Raise your level to B1 with PET tutor, Approaching literature },
year = {2015},
address = {Bologna },
publisher = {Zanichelli},
}