Cita APA (7a ed.)

Naunton, J. (2002). Head for business upper-intermediate: Workbook. Oxford University Press.

Cita Chicago Style (17a ed.)

Naunton, Jon. Head for Business Upper-intermediate: Workbook. Oxford: Oxford University Press, 2002.

Cita MLA (9a ed.)

Naunton, Jon. Head for Business Upper-intermediate: Workbook. Oxford University Press, 2002.