Cita APA (7a ed.)

Soars, J. L. &. (1989). Headway: Student's book. Advanced. Oxford University Press.

Cita Chicago Style (17a ed.)

Soars, John Liz &. Headway: Student's Book. Advanced. New York: Oxford University Press, 1989.

Cita MLA (9a ed.)

Soars, John Liz &. Headway: Student's Book. Advanced. Oxford University Press, 1989.