Cunningham & Bowler. (1999). New headway elementary pronunciation course. Oxford University Press.
Chicago Style (17th ed.) CitationCunningham and Bowler. New Headway Elementary Pronunciation Course. Oxford: Oxford University Press, 1999.
MLA (8th ed.) CitationCunningham and Bowler. New Headway Elementary Pronunciation Course. Oxford University Press, 1999.
Warning: These citations may not always be 100% accurate.