Soars, L., & Soars, J. (2004). New headway: English course :elementary student's book (Intermediate Workbook :with key.). Oxford University Press.
Citação do estilo Chicago (17ª ed.)Soars, Liz, e John Soars. New Headway: English Course :elementary Student's Book. Intermediate Workbook :with key. Oxford: Oxford University Press, 2004.
Citação MLA (8ª ed.)Soars, Liz, e John Soars. New Headway: English Course :elementary Student's Book. Intermediate Workbook :with key. Oxford University Press, 2004.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.