Cita APA

Soars, J., Soars, L., & Wheeldon, S. (2007). New headway: Pre - intermediate : student's book (3rd ed.). Oxford: Oxford University Press.

Citación estilo Chicago

Soars, John., Liz Soars, y Sylvia Wheeldon. New Headway: Pre - Intermediate : Student's Book. 3rd ed. Oxford: Oxford University Press, 2007.

Cita MLA

Soars, John., Liz Soars, y Sylvia Wheeldon. New Headway: Pre - Intermediate : Student's Book. 3rd ed. Oxford: Oxford University Press, 2007.