Cita APA (7th ed.)

Cunningham S. Sarah & Bowler B. Bill. (2000). New Headway. Pronunciation Course. Intermediate. Oxford, Oxford University Press, 2000.

Cita Chicago (17th ed.)

Cunningham S. Sarah i Bowler B. Bill. New Headway. Pronunciation Course. Intermediate. Oxford, Oxford University Press, 2000, 2000.

Cita MLA (9th ed.)

Cunningham S. Sarah i Bowler B. Bill. New Headway. Pronunciation Course. Intermediate. Oxford, Oxford University Press, 2000, 2000.