Bowler, B. (1999). New headway pronunciation: Upper-intermediate. Oxford University Press.
Chicago-čujuhus (17. p.)Bowler, Bill. New Headway Pronunciation: Upper-intermediate. Oxford: Oxford University Press, 1999.
MLA-čujuhus (9. p.)Bowler, Bill. New Headway Pronunciation: Upper-intermediate. Oxford University Press, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.