APA (7. basım) Alıntı

Soars, J., & Soars, L. (1987). Headway: Student's book. Upper-intemediate. Oxford University Press.

Chicago Style (17. basım) Atıf

Soars, John, ve Liz Soars. Headway: Student's Book. Upper-intemediate. Oxford: Oxford University Press, 1987.

MLA (9th ed.) Atıf

Soars, John, ve Liz Soars. Headway: Student's Book. Upper-intemediate. Oxford University Press, 1987.