Krantz C. Caroline, Castle M. Matt, Soars J. John, & Soars L. Liz. (2007). New Headway. Pre-Intermediate. Teacher's Resource Book (third ed.). New York, Oxford University Press, 2007.
Chicago-referens (17:e uppl.)Krantz C. Caroline, Castle M. Matt, Soars J. John, och Soars L. Liz. New Headway. Pre-Intermediate. Teacher's Resource Book. third ed. New York, Oxford University Press, 2007, 2007.
MLA-referens (9:e uppl.)Krantz C. Caroline, et al. New Headway. Pre-Intermediate. Teacher's Resource Book. third ed. New York, Oxford University Press, 2007, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.