Cita APA (7th ed.)

Cunningham S. Sarah & Moor P. Peter. (2002). New Headway. Pronunciation Course. Elementary. Oxford, Oxford University Press, 2002.

Cita Chicago (17th ed.)

Cunningham S. Sarah i Moor P. Peter. New Headway. Pronunciation Course. Elementary. Oxford, Oxford University Press, 2002, 2002.

Cita MLA (9th ed.)

Cunningham S. Sarah i Moor P. Peter. New Headway. Pronunciation Course. Elementary. Oxford, Oxford University Press, 2002, 2002.