Cunningham, S., & Moor, P. (2002). New headway pronunciation: Elementary student's practice book. Oxford University Press.
Cita Chicago (17th ed.)Cunningham, Sarah, i Peter Moor. New Headway Pronunciation: Elementary Student's Practice Book. Oxford: Oxford University Press, 2002.
Cita MLA (9th ed.)Cunningham, Sarah, i Peter Moor. New Headway Pronunciation: Elementary Student's Practice Book. Oxford University Press, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.