Cita APA (7a ed.)

Whitby, N. (2013). Business benchmark: Pre-intermediate to intermediate : student's book (2a ed.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Whitby, Norman. Business Benchmark: Pre-intermediate to Intermediate : Student's Book. 2a ed. Cambridge, United Kingdom: Cambridge University Press, 2013.

Cita MLA (9a ed.)

Whitby, Norman. Business Benchmark: Pre-intermediate to Intermediate : Student's Book. 2a ed. Cambridge University Press, 2013.