Cita APA (7a ed.)

Soars, J. (2001). American headway 2: Workbook / John Soars, Liz Soars. Oxford, UK : Oxford University Press, 2001.

Cita Chicago Style (17a ed.)

Soars, John. American Headway 2: Workbook / John Soars, Liz Soars. Oxford, UK : Oxford University Press, 2001, 2001.

Cita MLA (9a ed.)

Soars, John. American Headway 2: Workbook / John Soars, Liz Soars. Oxford, UK : Oxford University Press, 2001, 2001.