Cita APA (7th ed.)

Soars L. Liz & Soars J. John. (2007). New Headway English Intermediate: Student's Book (3rd ed.). New York, Oxford University Press, 2007.

Cita Chicago (17th ed.)

Soars L. Liz i Soars J. John. New Headway English Intermediate: Student's Book. 3rd ed. New York, Oxford University Press, 2007, 2007.

Cita MLA (9th ed.)

Soars L. Liz i Soars J. John. New Headway English Intermediate: Student's Book. 3rd ed. New York, Oxford University Press, 2007, 2007.