Cita APA

 Soars, L. (2010).  American headway 1B: Student practice Multi - ROM.  Oxford University Press.

Chicago Style Citation

 Soars, Liz.  American Headway 1B: Student Practice Multi - ROM.  Oxford University Press, 2010.

Cita MLA

 Soars, Liz.  American Headway 1B: Student Practice Multi - ROM.  Oxford University Press, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.