Cita APA

Soars, J., Hayden, B., & Soars, L. (2011). New headway: Pre-intermediate : student's book (3rd ed.). Oxford: Oxford University Press.

Citación estilo Chicago

Soars, John, Bernie Hayden, and Liz Soars. New Headway: Pre-intermediate : Student's Book. 3rd ed. Oxford: Oxford University Press, 2011.

Cita MLA

Soars, John, Bernie Hayden, and Liz Soars. New Headway: Pre-intermediate : Student's Book. 3rd ed. Oxford: Oxford University Press, 2011.