Birkin, J. (2012). Business Advantage: Upper-intermediate Teacher's book. Cambridge: Cambridge University Press.
Stile di citazione ChicagoBirkin, Jonathan. Business Advantage: Upper-intermediate Teacher's Book. Cambridge: Cambridge University Press, 2012.
Citazione MLABirkin, Jonathan. Business Advantage: Upper-intermediate Teacher's Book. Cambridge: Cambridge University Press, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.