Cita APA (7th ed.)

(2019). Headway: Advanced, Student's book (quinta edición.). Oxford University Press.

Cita Chicago (17th ed.)

Headway: Advanced, Student's Book. quinta edición. Oxford: Oxford University Press, 2019.

Cita MLA (9th ed.)

Headway: Advanced, Student's Book. quinta edición. Oxford University Press, 2019.