Cita APA

Whitby, N. (2006). Business benchmark pre-intermediate to intermediate audio CD: BEC preliminary. Cambridge, United Kingdom: Cambridge University Press.

Citación estilo Chicago

Whitby, Norman. Business Benchmark Pre-intermediate to Intermediate Audio CD: BEC Preliminary. Cambridge, United Kingdom: Cambridge University Press, 2006.

Cita MLA

Whitby, Norman. Business Benchmark Pre-intermediate to Intermediate Audio CD: BEC Preliminary. Cambridge, United Kingdom: Cambridge University Press, 2006.