Soars L. Liz, Soars J. John, & Sayer M. Mike. (2010). New Headway. Advanced: Teacher's Book. New York, Oxford University Press, 2010.
Citazione stile Chigago Style (17a edizione)Soars L. Liz, Soars J. John, e Sayer M. Mike. New Headway. Advanced: Teacher's Book. New York, Oxford University Press, 2010, 2010.
Citatione MLA (9a ed.)Soars L. Liz, et al. New Headway. Advanced: Teacher's Book. New York, Oxford University Press, 2010, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.