Baigent, M. (2004). Natural English: Reading writing skills : upper-intermediate resource book. Oxford University Press.
Chicago-referens (17:e uppl.)Baigent, Maggie. Natural English: Reading Writing Skills : Upper-intermediate Resource Book. Oxford: Oxford University Press, 2004.
MLA-referens (8:e uppl.)Baigent, Maggie. Natural English: Reading Writing Skills : Upper-intermediate Resource Book. Oxford University Press, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.