Cita APA (7a ed.)
Soars, L., & Soars, J. (2011). New headway elementary student's book (4th ed.). Oxford University Press.
Cita Chicago Style (17a ed.)
Soars, Liz, y John Soars. New Headway Elementary Student's Book. 4th ed. Oxford: Oxford University Press, 2011.
Cita MLA (9a ed.)
Soars, Liz, y John Soars. New Headway Elementary Student's Book. 4th ed. Oxford University Press, 2011.
Precaución: Estas citas no son 100% exactas.