Cunningham, S., & Bowler, B. (1999). New headway pronunciation: Intermediate student's practice book. Oxford University Press.
Цитирование в стиле Чикаго (17-е изд.)Cunningham, Sarah, и Bill Bowler. New Headway Pronunciation: Intermediate Student's Practice Book. Oxford: Oxford University Press, 1999.
Цитирование MLA (9-е изд.)Cunningham, Sarah, и Bill Bowler. New Headway Pronunciation: Intermediate Student's Practice Book. Oxford University Press, 1999.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.