Soars, J., & Soars, L. (1998). New headway English course - Pre-intermediate: Students book. Oxford: Oxford University Press.
Stile di citazione ChicagoSoars, John, e Liz Soars. New Headway English Course - Pre-intermediate: Students Book. Oxford: Oxford University Press, 1998.
Citazione MLASoars, John, e Liz Soars. New Headway English Course - Pre-intermediate: Students Book. Oxford: Oxford University Press, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.