Cita APA

(1995). Headway upper-immediate (Student's book). Oxford: Oxford Univ.Press.

Chicago Style Citation

Headway Upper-immediate (Student's Book). Oxford: Oxford Univ.Press, 1995.

Cita MLA

Headway Upper-immediate (Student's Book). Oxford: Oxford Univ.Press, 1995.

Atenció: Aquestes cites poden no estar 100% correctes.