Sue Kay; Vaughan Jones; Helena Gomm; Peter Maggs; Caroline Brown; Chris Dawson Hueber Verlag GmbH (2008) Saatavuus: Hankintapalvelu Pehmeäkantinen kirja
Sue Kay; Vaughan Jones; Vaughan Jones; Helena Gomm; David Seymour; Caroline Brown; Chris Dawson Macmillan Education (2007) Saatavuus: Tilaustuote Moniviestin
Sue Kay; Vaughan Jones; Vaughan Jones; Helena Gomm; Pete Maggs; Caroline Brown; Chris Dawson Macmillan Education (2007) Saatavuus: Tilaustuote Moniviestin