Soars, J., & Soars, L. (1996). New headway English course: Intermediate Student's book. Oxford University Press.
Cita Chicago (17th ed.)Soars, John, i Liz Soars. New Headway English Course: Intermediate Student's Book. New York: Oxford University Press, 1996.
Cita MLA (8th ed.)Soars, John, i Liz Soars. New Headway English Course: Intermediate Student's Book. Oxford University Press, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.