Cita APA

John Soars. (1987). Headway: Intermediate workbook. London: Oxford Univ. Press.

Chicago Style Citation

John Soars. Headway: Intermediate Workbook. London: Oxford Univ. Press, 1987.

Cita MLA

John Soars. Headway: Intermediate Workbook. London: Oxford Univ. Press, 1987.

Atenció: Aquestes cites poden no estar 100% correctes.