Cunningham, S., & Moor, P. (2002). New headway pronunciation: Elementary student's practice book. Oxford University Press.
Chicago-viite (17. p.)Cunningham, Sarah, ja Peter Moor. New Headway Pronunciation: Elementary Student's Practice Book. Oxford: Oxford University Press, 2002.
MLA-viite (9. p.)Cunningham, Sarah, ja Peter Moor. New Headway Pronunciation: Elementary Student's Practice Book. Oxford University Press, 2002.
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