Cita APA

Soars, L., & Soars, J. (2013). New Headway Intermediate: Sutudent (4a. ed.). Oxford: Oxford University Press.

Citación estilo Chicago

Soars, Liz, and John Soars. New Headway Intermediate: Sutudent. 4a. ed. Oxford: Oxford University Press, 2013.

Cita MLA

Soars, Liz, and John Soars. New Headway Intermediate: Sutudent. 4a. ed. Oxford: Oxford University Press, 2013.