Soars, J., & Soars, L. (1987). Headway - Upper-intermediate: Teacher's book. Oxford: Oxford University Press.
Chicago Style citaatSoars, John, en Liz Soars. Headway - Upper-intermediate: Teacher's Book. Oxford: Oxford University Press, 1987.
MLA citatieSoars, John, en Liz Soars. Headway - Upper-intermediate: Teacher's Book. Oxford: Oxford University Press, 1987.
Let op: Deze citaties zijn niet altijd 100% accuraat.