Bowler, B. (1999). New headway pronunciation: Upper-intermediate. Oxford University Press.
Chicago Style (17th ed.) CitationBowler, Bill. New Headway Pronunciation: Upper-intermediate. Oxford: Oxford University Press, 1999.
MLA引文Bowler, Bill. New Headway Pronunciation: Upper-intermediate. Oxford University Press, 1999.
警告:這些引文格式不一定是100%准確.