Citazione Stile APA (7a Edizione)

Cunningham, S., & Bowler, B. (1999). New headway pronunciation: Intermediate student's practice book. Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Cunningham, Sarah, e Bill Bowler. New Headway Pronunciation: Intermediate Student's Practice Book. Oxford: Oxford University Press, 1999.

Citatione MLA (9a ed.)

Cunningham, Sarah, e Bill Bowler. New Headway Pronunciation: Intermediate Student's Practice Book. Oxford University Press, 1999.